Tag: change

Mapping human vulnerability to climate change

Researchers already study how various species of plants and animals migrate in response to climate change. Now, Jason Samson, a PhD candidate in McGill University's Department of Natural Resource Sciences, has taken the innovative step of us...

Diversifying crops may protect yields against a more variable climate

A survey of how farmers could protect themselves by growing a greater diversity of crops, published in the March issue of BioScience, has highlighted economical steps that farmers could take to minimize the threat to crops from global climate change...

Ancient catastrophic drought leads to question: How severe can climate change...

How severe can climate change become in a warming world? Worse than anything we've seen in written history, according to results of a study appearing this week in the journal Science. An international team of scientists led by Curt Stager of...

Arizona State University geographer calls for complexity in sustainability science models

WASHINGTON - Tropical deforestation is intimately linked with urban dynamics and needs to be considered along with the role and effect of national and regional policies on land use decisions, and the dynamics of economic globalization in the next gen...

Arizona State University archaeologist models past and future landscapes

WASHINGTON -- Archaeology is a vital tool in understanding the long-term consequences of human impact on the environment. Computational modeling can refine that understanding. But according to Arizona State University archaeologist C. Michael Barto...

Climate projections show human health impacts possible within 30 years

A panel of scientists speaking today at the annual meeting of the American Association for the Advancement of Science (AAAS) unveiled new research and models demonstrating how climate change could increase exposure and risk of human illness originat...

Scientists discover agave’s tremendous potential as new bioenergy feedstock

Champaign, IL -- February 4, 2011 - An article in the current issue of Global Change Biology Bioenergy reviews the suitability of Agave as a bioenergy feedstock that can sustain high productivity in spite of poor soil and stressful climatic conditi...

P Summit calls for a ‘new alchemy’ around phosphorus and food

The problem with phosphorus, a critical element in fertilizers and food, is, as comedian Rodney Dangerfield would say, that it "can't get no respect." Increasingly scarce, yet commonly overused in agricultural fields, polluting streams and lakes,...

Biogeochemistry at the core of global environmental solutions

Millbrook, NY -- If society wants to address big picture environmental problems, like global climate change, acid rain, and coastal dead zones, we need to pay closer attention to the Earth's coupled biogeochemical cycles. So reports a special i...

Learning causes structural changes in affected neurons

When a laboratory rat learns how to reach for and grab a food pellet -- a pretty complex and unnatural act for a rodent -- the acquired knowledge significantly alters the structure of the specific brain cells involved, which sprout a whopping ...

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