Articles and Comments - Ecology / Energy Sources / Renewable and Low Impact Energy Sources

Recommendations and initiatives for the use of clean and efficient energy sources.

The true human environment - Ideas and debates about the factors that affect our environment and lives.

A way to properly dispose of your litter (I) - An environment-friendly way to discard garbage during trips and travels.

Betcha Didn't Know: Fast Facts About Lead-Acid Batteries (I) - The technological and environmental standard in stored energy.

Notes On Picking Fossils (I) - Picking fossils may be interesting, but sometimes is agaist the law, especially if the extraction is intended for sale.

A brief reflection on construction and destruction (I) - Something to think about building and destroying, construction and destruction.

Internet Helps Weather Get More Local (I) - As with politics, all weather is local...

Ecoreligion, taxes and climate change - Shall we continue a Byzantine discussion or start thinking with a perspective of a thousand years?

Five Of The Top 100 Bird Watching Areas In The United States (I) - Bird watching stakes claim as America's number one hobby.

A Gardener's Diary (I) - Have you ever thought about keeping a gardener's diary to record what you plant and where you plant it?

´Tis The Hearthworm Season (I) - Health avice for your pets. Hearthworm disease can affect your cat.

European power sector at a crossroads - will they choose clean or dirty energy? - The power sector will decide how the new energy capacity will be built: whether Europe's power supply will be dirty fossil fuels and unsafe nuclear energy, or efficient and clean renewable energy.

Solar power available to 100 million people by 2025 - The solar thermal power industry could be worth 16.4 billion Euros and create 54,000 jobs worldwide by 2025, according to a report launched today in Egypt by Greenpeace.

California Sea Otters: Population Recovery Continues at Slower Rate - The southern sea otter of California, a threatened population on the Endangered Species list, continues to recover, but the rate of recovery appears to have slowed.

Two 500-Year Floods Within 15 Years: What are the Odds? - The term '500-year flood' has been used to describe the recent flooding in the Midwest. Midwesterners who experienced the Great Flood of 1993 - said to be a 500-year flood at the time - can hardly be faulted for thinking they were off the hook for seeing that designation again for, say, a few hundred years.

Spring Nutrient Delivery to the Gulf Estimated Among Highest in Three Decades - Spring nutrient delivery from the Mississippi-Atchafalaya River Basin to the northern Gulf of Mexico is estimated to be among the highest in the last three decades.

Acid Soils in Slovakia Tell Somber Tale - Increasing levels of nitrogen deposition associated with industry and agriculture can drive soils toward a toxic level of acidification, reducing plant growth and polluting surface waters, according to a new study published online in Nature Geoscience.

Arsenic, Uranium and Other Trace Elements, a Potential Concern in Private Drinking Wells - About 20% of untreated water samples from public, private, and monitoring wells across the nation contain concentrations of at least one trace element, such as arsenic, manganese and uranium, at levels of potential health concern, according to a new study by the U.S. Geological Survey.

Climate Adaptation of Rice - A new strategy for reducing climate impacts on plants.

USGS Study Finds Recent Snowpack Declines in the Rocky Mountains Unusual Compared to Past Few Centuries - A USGS study suggests that snowpack declines in the Rocky Mountains over the last 30 years are unusual compared to the past few centuries. Prior studies by the USGS and other institutions attribute the decline to unusual springtime warming, more precipitation falling now as rain rather than snow and earlier snowmelt.

Uncertain Future for Joshua Trees Projected with Climate Change - Temperature increases resulting from climate change in the Southwest will likely eliminate Joshua trees from 90 percent of their current range in 60 to 90 years, according to a new study led by U.S. Geological Survey ecologist Ken Cole.

Drier conditions projected to accelerate dust storms in the southwest - Drier conditions projected to result from climate change in the Southwest will likely reduce perennial vegetation cover and result in increased dust storm activity in the future, according to a new study by scientists with the U.S. Geological Survey and the University of California, Los Angeles.

More frequent drought likely in Eastern Africa - The increased frequency of drought observed in eastern Africa over the last 20 years is likely to continue as long as global temperatures continue to rise, according to new research published in Climate Dynamics.

Southwestern forests at increased risk from climate warming and drought - Slower-growing trees. More severe fires. More bark beetle outbreaks. A lot more dead trees. And big changes in where various tree species are dominant in southwestern U.S. forests.

Mountain vegetation impacted by climate change - Climate change has had a significant effect on mountain vegetation at low elevations in the past 60 years, according to a study done by the University of California at Davis, University of Wisconsin-Madison, and U.S. Geological Survey.

Dust hastens Colorado river snowmelt, cuts flow restoring desert soils could lessen impacts of climate change - Dust caused by human activities in the American desert Southwest is a contributing factor in speeding up the melting of snow and reducing runoff in the mountains of the Colorado River basin, according to a new study led by NASA and co-authored by the U.S. Geological Survey.

Climate change implicated in decline of horseshoe crabs - A distinct decline in horseshoe crab numbers has occurred that parallels climate change associated with the end of the last Ice Age, according to a study that used genomics to assess historical trends in population sizes.

Many of Asia's glaciers are retreating as a result of climate change - This retreat impacts water supplies to millions of people, increases the likelihood of outburst floods that threaten life and property in nearby areas, and contributes to sea-level rise.

Ice shelves disappearing on Antarctic peninsula - Glacier retreat and sea level rise are possible consequences - Ice shelves are retreating in the southern section of the Antarctic Peninsula due to climate change. This could result in glacier retreat and sea-level rise if warming continues, threatening coastal communities and low-lying islands worldwide.

Arctic could face warmer and ice-free conditions - There is increased evidence that the Arctic could face seasonally ice-free conditions and much warmer temperatures in the future.

Climate projections underestimate CO2 impact - The climate may be 30 - 50 percent more sensitive to atmospheric carbon dioxide in the long term than previously thought, according to a study published in Nature Geoscience.

Global tree death patterns reveal emerging climate change risks for forests - Recent tree loss, largely driven by climate stress, in forests around the world could portend increased tree mortality under climate change, according to a U.S. Geological Survey (USGS) report recently released online in the journal Forest Ecology and Management.

Sick Fish May Get Sicker: Climate Change and Other Stresses Expected to Affect Entire Populations of Fish - Entire populations of North American fish already are being affected by several emerging diseases, a problem that threatens to increase in the future with climate change and other stresses on aquatic ecosystems, according to a noted U.S. Geological Survey researcher.

Large Trees Declining in Yosemite - Large trees have declined in Yosemite National Park during the 20th century, and warmer climate conditions may play a role.

Afghanistan's Kabul basin faces major water challenges - In the next 50 years, it is estimated that drinking water needs in the Kabul Basin of Afghanistan may increase sixfold due to population increases resulting from returning refugees. It is also likely that future water resources in the Kabul Basin will be reduced as a result of increasing air temperatures associated with global climate change. These are the findings of a new study conducted by the U.S. Geological Survey.

Water regionally abundant in Great Lakes Basin, but not always when and where it's needed - Though the Great Lakes are the largest freshwater system on Earth, the basin has the potential for local shortages, according to a new basin-wide water availability assessment by the U.S. Geological Survey.

Groundwater Availability Detailed in California's Central Valley - New hydrologic model provides insights into water supplies - A new, three-dimensional water-modeling tool provides a detailed picture of how water flows below ground and how it relates to surface-water in rivers and canals in California's Central Valley.

Aquatic life declines at early stages of urban development - The number of native fish and aquatic insects, especially those that are pollution sensitive, declines in urban and suburban streams at low levels of development — levels often considered protective for stream communities, according to a new study by the U.S. Geological Survey.

Pinpointing Drought Coast to Coast - Take vast quantities of satellite remote sensing data. Season with time. Mix generously with information about climate, soils, and recent rainfall. These are the ingredients for the Vegetation Drought Response Index.

Jeepers Creepers! Climate Change Threatens Endangered Honeycreepers - Deadly Diseases May Move Up Hawaiian Mountains to Birds' Refuges - As climate change causes temperatures to increase in Hawaii's mountains, deadly non-native bird diseases will likely also creep up the mountains, invading most of the last disease-free refuges for honeycreepers - a group of endangered and remarkable birds.

New USGS Study Documents Rapid Disappearance of Antarctica's Ice Shelves - Possible forecast for continued Antarctica glacier loss and sea-level rise due to climate change.

It's for the Birds: Historical Bird Files Give Insight into Climate Change: Online Volunteers Recruited - On Nov. 1, 1933, Mrs. Bruce Reid recorded seeing both a male and female ivory-billed woodpecker in Texas. And on May 28, 1938, Oscar McKinley Bryans observed a ruby-throated hummingbird in Michigan, noting that the birds were most common when apple trees were blooming.

New Science Gauges Potential to Store CO2 - Injecting Carbon Dioxide in Rocks Could Mitigate Climate Change Effects - A new method to assess the nation's potential for storing carbon dioxide could lead to techniques for lessening the impacts of climate change, according to Secretary of the Interior Ken Salazar, who praised a U.S. Geological Survey report in an energy teleconference this week.

Slight Changes in Climate May Trigger Abrupt Ecosystem Responses - Slight changes in climate may trigger major abrupt ecosystem responses that are not easily reversible. Some of these responses, including insect outbreaks, wildfire, and forest dieback, may adversely affect people as well as ecosystems and their plants and animals.

Glacier and Ice-Sheet Melting, Sea-Ice Retreat and Coastal Erosion Expected as a Result - Temperature change in the Arctic is happening at a greater rate than other places in the Northern Hemisphere, and this is expected to continue in the future.

USGS Unlocks New Discoveries to Help Protect Endangered and At-Risk Species - Scientists are using new and creative ways to help protect endangered and at-risk species and the ecosystems they - and humans - depend on for survival.

Abrupt Climate Change: Will It Happen this Century? - The United States faces the potential for abrupt climate change in the 21st century that could pose clear risks to society in terms of our ability to adapt.

Thanks, Climate Change - As I write these lines, a tree is being cut down at home, courtesy of climate change.

Wheels Up For NASA Mission's Most Extensive Arctic Ice Survey - Researchers and flight crew arrived in Thule, Greenland, on Monday, March 14, for the start of NASA's 2011 Operation IceBridge, an airborne mission to study changes in Arctic polar ice. This year's plans include surveys of Canadian ice caps and expanded international collaboration.

NOAA Hot on Methane's Trail - Scientists 'Sniff' Around Frozen Ground - Cows put it out there. So do mines and landfills. On a molecular level, methane gas is elegantly simple, just four tiny hydrogen atoms surrounding a single carbon atom.

NOAA-led research team takes measure of the variability of the atmosphere's self-cleaning capacity - An international, NOAA-led research team took a significant step forward in understanding the atmosphere's ability to cleanse itself of air pollutants and some other gases, except carbon dioxide.

NASA research finds 2010 tied for warmest year on record - Global surface temperatures in 2010 tied 2005 as the warmest on record, according to an analysis released Wednesday by researchers at NASA's Goddard Institute for Space Studies (GISS) in New York.

Review of four decades of scientific literature concludes lower atmosphere is warming - The troposphere, the lower part of the atmosphere closest to the Earth, is warming and this warming is broadly consistent with both theoretical expectations and climate models, according to a new scientific study that reviews the history of understanding of temperature changes and their causes in this key atmospheric layer.

NASA study finds Earth's lakes are warming - In the first comprehensive global survey of temperature trends in major lakes, NASA researchers determined Earth's largest lakes have warmed during the past 25 years in response to climate change.

Scientists find 20 years of deep water warming leading to sea level rise - Scientists analyzing measurements taken in the deep ocean around the globe over the past two decades find a warming trend that contributes to sea level rise, especially around Antarctica.

NOAA: 2010 tied with 1998 as warmest global temperature on record - Summer 2010 the second warmest on record, Arctic sea ice continues its 14-year decline.

NOAA scientists uncover oscillating patterns in clouds - Finding has implications for climate change - A new NOAA study has found that rain clouds form synchronous patterns in which individual clouds in a large cloud field respond to signals from other clouds, much like chirping crickets or flashing fireflies on a summer night. The study, published online today in the journal Nature also has significant implications for our understanding of climate change research.

Drought drives decade-long decline in plant growth - Global plant productivity that once was on the rise with warming temperatures and a lengthened growing season is now on the decline because of regional drought according to a new study of NASA satellite data.

NOAA: Past decade warmest on record according to scientists in 48 countries - Earth has been growing warmer for more than fifty years - The 2009 State of the Climate report released recently draws on data for 10 key climate indicators that all point to the same finding: the scientific evidence that our world is warming is unmistakable. More than 300 scientists from 160 research groups in 48 countries contributed to the report, which confirms that the past decade was the warmest on record and that the Earth has been growing warmer over the last 50 years.

NOAA ship Fairweather maps aid shipping through Bering Strait - New multi-year effort to update charts of priority Arctic regions.

Indonesia and U.S. launch deep-sea expedition - Program is a multi-year partnership to share ocean science, technology, and education.

Ocean stored significant warming over last 16 years - The upper layer of the world's ocean has warmed since 1993, indicating a strong climate change signal, according to a new study. The energy stored is enough to power nearly 500 100-watt light bulbs per each of the roughly 6.7 billion people on the planet.

NOAA lists Pacific Smelt as 'Threatened' - Small West Coast fish once ranged from California to British Columbia - NOAA's Fisheries Service said today it is listing Pacific smelt, a little fish with a big history, as threatened under the Endangered Species Act.

New study uncovers key role of bacteria in the formation of 'red tide' algal blooms - Implications for climate modeling - According to a new study published in Proceedings of the National Academy of Sciences, NOAA and NOAA-funded university scientists are closer to understanding why 'red tides,' called harmful algal blooms form. These toxic harmful algal blooms threaten marine ecosystems, human health, and cost local and regional economies millions of dollars annually through fishery closures and recreation and tourism losses.

Changing arctic affecting air, ocean, and everything in between -

Methane Increase - Unusually high temperatures in the Arctic and heavy rains in the tropics likely drove a global increase in atmospheric methane in 2007 and 2008 after a decade of near-zero growth, according to a new study. Methane is the second most abundant greenhouse gas after carbon dioxide, albeit a distant second.

Climate Effects of Atmospheric Haze a Little Less... Hazy - Scientists have used a new approach to sharpen the understanding of one of the most uncertain of mankind's influences on climate - the effects of atmospheric 'haze,' the tiny airborne particles from pollution, biomass burning, and other sources.

International Team To Drill Beneath Massive Antarctic Ice Shelf - An international team of researchers funded by NASA and the National Science Foundation (NSF) will travel next month to one of Antarctica's most active, remote and harsh spots to determine how changes in the waters circulating under an active ice sheet are causing a glacier to accelerate and drain into the sea.

FIDAE 2004 - Worried by the Environment - FIDAE 2004 adds as new challenge, political environmental that synchronize with the accomplishment of the event.

A brief pondering about storms - The basics of the basics of mountain weather.

Fashion and nature - Something to think about fashion and nature.

Natural products - Something to think about natural products.

The trails ahead of you - Something to think about your future deeds in the form of trails.

Loving nature - What is to really love nature.

Adventure tips: stop fooling with nature

Science and Technology / Meteorology and Weather Prognosis - Articles and advice on meteorology fundamentals and easy techniques to make useful weather forecasts for adventurers, navigators, pilots and other outdoor enthusiasts.

Outdoor Photography - Recommendations and advice for photographers and people who like to make pictures out in the wilderness.

Geography and Outdoors / Mountain and Mountain Regions - Detailed descriptions of some mountains and ranges of Patagonia, South America and the rest of the world that we have explored.

Outdoor Activities / Trekking, Camping and Excursions - Trekking, basic camping and hiking as related to many extreme sports. Fundamental techniques and advice.

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Society / Globalisation / Antiglobalisation - Corporate and gubernamental political players worldwide support globalisation. People in general, however, tend to oppose this process as it unfolds now, causing widespread hunger, unemployment and poverty while less than 5% of humankind benefits from it.

Outdoor Activities / Exploration and Expeditions - Whether your interest lies within expeditions and trips or you want to learn about different uncharted places, tricks of the trade and possibilities, start reading this section.

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