How Fast is Global Climate Changing?
There's plenty of evidence that the climate has warmed up over the past century, and climate scientists know this has happened throughout the history of the planet. But they want to know more about how this warming is different. Now a research team says it has some new answers. It has put together a record of global temperatures going back to the end of the last ice age — about 11,000 years ago — when mammoths and saber-tooth cats roamed the planet. The study confirms that what we're seeing now is unprecedented.
In the last few decades, glaciers at the edge of the icy continent of Antarctica have been thinning, and research has shown the rate of thinning has accelerated and contributed significantly to sea level rise. New ice core research suggests that, while the changes are dramatic, they cannot be attributed with confidence to human-caused global warming, said Eric Steig, a University of Washington professor of Earth and space sciences. Previous work by Steig has shown that rapid thinning of Antarctic glaciers was accompanied by rapid warming and changes in atmospheric circulation near the coast. His research with Qinghua Ding, a UW research associate, showed that the majority of Antarctic warming came during the 1990s in response to El Niño conditions in the tropical Pacific Ocean.
New Camera Takes Better Pictures of Snowflakes
Winter may be over for most of us in the Northern Hemisphere, and hopefully we will not be expecting any more snowfall, but that doesn't mean we still can't marvel at the intricacies of the snowflake. A team of researchers at the University of Utah have developed a new high-speed camera system that records 3-D images of these snowflakes in hopes of improving radar for weather and snowpack forecasting. Funded in part by NASA and the US Army, the team studied falling snow and how it interacts with radar in order to improve computer simulations. As a result, the research has revealed more about how snowy weather can degrade microwave (radar) communications.
The Cicadas are Coming!
Remember seventeen years ago when those creepy looking orange and black insects covered nearly every tree and you could barely step outside without crunching on a molted shell or cringing when these winged creatures flew by? Maybe they weren’t in your neighborhood, but all along the eastern seaboard of the United States from New York to North Carolina, millions of these half-inch long cicadas swarmed around for nearly a month. And guess what? This spring, these little critters will emerge from the ground once again. In fact, the cicadas are probably starting to plan their escape right now, as several weeks before emerging, they start to build small cones that stick above the soil.
Yum! Brands announces 'greener' paper policy
KCF, Pizza Hut, Taco Bell policy excludes fiber from conversion of old-growth rainforests to plantations. After a prolonged campaign by environmental activists, the world's largest fast food company has announced a new sourcing policy that will shift it toward greener packaging materials.
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- Global Forest Watch 2.0 will help monitor our forests
- Air pollution-caused deaths total over one million per year in China
- Pliocene El Nino
- 'Waterpod' Turns Desert Well-Water Clean
- Tropical Rainfall Patterns
- Survey Finds Most Republicans Seek Action on Climate Change
- Climate Campaigners Try Flooding the (Comment) Zone
- IRENA launches global atlas of renewable energy potential
- Swinerton Renewable Energy Awarded Contract to Construct and Operate 250 MWac K Road Moapa Solar Plant
- Wind Powering America Guidebook officially launched on OpenEI
- Green Button in the News
- Key energy efficiency measures signed into law by President Obama
- Visualize energy APIs with a new OpenEI browser
- White House Energy Datapalooza live on Whitehouse.gov
- Pallets of PV: Communities Purchase Solar and Drive Down Costs Together
- Top Innovation Ideas from the New York Energy Data Jam
- How the U.S. Geothermal Market Is and Is Not Growing
- The Penan Peace Park: A Bornean Tribe's Last Stand Against Corporate Greed
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World Green Top News
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