Report suggests biomass energy won't harm food production

(PhysOrg.com) -- Biomass could cover 20% of the global energy supply without harming production of food, a new report released in the United Kingdom says. Reviewing over 90 international studies, the report was produced by ...

New projection shows global food demand doubling by 2050

Global food demand could double by 2050, according to a new projection by David Tilman, Regents Professor of Ecology in the University of Minnesota's College of Biological Sciences, and colleagues, including Jason Hill, assistant ...

Greenhouse gas emissions hitting record highs

(AP) -- Despite 20 years of effort, greenhouse gas emissions are going up instead of down, hitting record highs as climate negotiators gather to debate a new global warming accord.

Researchers propose 'whole-system redesign' of US agriculture

Transformative changes in markets, policy and science, rather than just incremental changes in farming practices and technology, will be critical if the United States is to achieve long-term sustainability in agriculture, ...

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.

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