Earth & Environment
Earth & Environment - Feb 4, 2011 15:23 - 1 Comment
Amazon droughts could tip carbon scale
U. LEEDS (UK) — Two major droughts have scientists concerned that the Amazon rainforest will shift from being a carbon sponge to being a major greenhouse gas producer. (more…)
Earth & Environment - Feb 2, 2011 13:21 - 1 Comment
Beetles at war with invasive weed
U. FLORIDA (US) — A South American beetle drafted into battle is winning the war against tropical soda apple (TSA), an invasive weed that takes over pastures by elbowing out forage grasses ranchers need for their cattle. (more…)
Earth & Environment - Jan 31, 2011 9:50 - 0 Comments
When emissions go up, stock goes down
UC DAVIS (US) — The more carbon emissions a company produces, the less value its stock has, according to new research. (more…)
Earth & Environment - Jan 28, 2011 11:35 - 0 Comments
Fossils link cooler ocean to extinction
CALTECH (US) — New evidence supports the idea that a mass extinction 450 million years ago was linked to a cooling climate. (more…)
Earth & Environment - Jan 27, 2011 12:45 - 1 Comment
Oil dispersant lingers in Gulf
UC SANTA BARBARA (US) — A major component of the nearly 800,000 gallons of chemical dispersant used in the Gulf to breakup oil from last year’s Deepwater Horizon spill is not degrading. Now researchers question its potential long-term effects. (more…)
Earth & Environment - Jan 26, 2011 16:31 - 3 Comments
More melting may slow glacier flow
U. LEEDS (UK) — Hotter summers may not be as catastrophic for the Greenland ice sheet as previously feared and may actually slow down the flow of glaciers. (more…)
Earth & Environment - Jan 25, 2011 11:17 - 3 Comments
Tweet to tweet: A century of birding
U. ILLINOIS (US) — A new book is a compendium of how much has changed in the world of birding in the state of Illinois. For example, more than 100 years ago, if a bird couldn’t be identified in the wild, it was most likely shot. (more…)
Earth & Environment - Jan 20, 2011 18:32 - 0 Comments
Is atrazine-free corn in the weeds?
U. ILLINOIS (US) — Growing sweet corn without applying the herbicide atrazine can be done, new research shows, but not without growing pains. (more…)
Earth & Environment - Jan 20, 2011 14:06 - 1 Comment
Wind turbines need more rotor room
JOHNS HOPKINS (US) — Wind farm builders should space their turbines much further apart to generate power more efficiently, wind tunnel tests and computer simulations show. (more…)
Earth & Environment - Jan 20, 2011 12:07 - 4 Comments
Less snow leads to hotter planet
U. MICHIGAN (US) — Decreases in the Earth’s snow and ice cover have exacerbated global warming more than previously thought, according to a new study. (more…)
Earth & Environment - Jan 14, 2011 14:53 - 0 Comments
Big chill from shift in ocean circulation
CARDIFF U (UK) — Researchers studying ocean sediment cores have found evidence that past changes in ocean circulation may have been more dramatic than previously thought. (more…)
Earth & Environment - Jan 11, 2011 10:21 - 0 Comments
Freshwater adds to greenhouse equation
IOWA STATE (US) — Methane emissions from inland freshwater has been underestimated, according to a new study, that finds that greenhouse gas uptake by continents is less than previously thought. (more…)
Earth & Environment - Jan 10, 2011 14:12 - 5 Comments
Extinction ‘bubble’ predicts eco-meltdown
BROWN (US) — Two of the greatest mass extinctions in Earth’s history were instrumental in the collapse of marine ecosystems that then took up to 10 million years to stabilize. (more…)
Earth & Environment - Jan 7, 2011 13:11 - 1 Comment
Methane levels near normal in Gulf
TEXAS A&M / UC SANTA BARBARA (US) — Calling the results “extremely surprising,” researchers report that methane gas concentrations in the Gulf of Mexico have returned to near normal levels only months after the Deepwater Horizon oil rig explosion. (more…)
Earth & Environment - Jan 6, 2011 16:56 - 0 Comments
Grasses feather nests of at-risk birds
MICHIGAN STATE (US) — Threatened bird populations will be better protected if efforts are made to develop biofuel from native perennials like grass, instead of ethanol staple corn. (more…)
Earth & Environment - Jan 6, 2011 12:17 - 2 Comments
Limited resources cap species diversity
U. ROCHESTER (US) — Finite space, limited food supplies, and competition for resources work together to limit species diversity and achieve equilibrium. (more…)
Earth & Environment - Dec 29, 2010 13:48 - 1 Comment
Home is where the pest threat is
PENN STATE (US) — An invasion from insect pests is likely to be home grown. A study reported in Nature Communications finds the greatest threat comes from neighboring U.S. states not other countries. (more…)
Earth & Environment - Dec 28, 2010 12:09 - 0 Comments
Biomass dilemma: Double crop or not?
IOWA STATE (US) — An experiment to test the benefits of double-cropping to grow more biomass for ethanol production yields mixed results. (more…)
