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The impact of climate change on food production remains uncertain, particularly in the tropics. Research that exploits the results of historical crop trials indicates that Africa's maize crop could be at risk of significant yield losses.

An analysis of over 20,000 historical African maize trials suggests the crop will better cope with climate change under rain-fed management. For a 1 °C temperature rise, optimal rain-fed conditions would mean 65% of maize-growing areas in Africa would be likely to experience yield losses, compared with 100% under drought conditions.

Large-scale farming of biofuel crops in the US could significantly cool the local climate.

An anticipated extension of the pollen season may spell misery for millions.

Aggressive mitigation policy could halve the impacts of climate change on water resources by 2100.

Carbon-related tariffs may reduce global emissions, but the welfare losses would be high for emerging economies, such as China, Mexico and Brazil.

The Arctic is unlikely to experience sudden loss of sea ice during the twenty-first century.

Climate change will substantially decrease the duration and thickness of wintertime ice cover on many North American lakes.

High temperatures in summer counteract the benefits of a warmer spring for growing cod.

Vulnerability due to climate change may depend more on socio-economic and institutional factors than on geography.

Human migration from areas impacted by climate change is determined by a complex array of socio-economic factors.

A study looks at how cessation of aerosol and greenhouse gas emissions would affect climate over the long term.

A warmer climate may not yield disaster for maize, one of the world's most important commodities.

Continued warming of the Indian Ocean could lessen rainfall over east Africa.

Research suggests that reduced snowfall and high surface reflectance contributed to record loss of ice from Greenland in 2010.

Crop yields in western France and across much of southeastern Europe will see a significant drop by 2050, unless adaptation measures are adopted.

When on holiday, even the most ardent environmentalist may trade low-carbon living for fun.

International cooperation on technological development might be a crucial part of the much-needed breakthrough in tackling climate change.

Climate change can cause vegetation to move up- or down-slope depending on water availability.

Accurately estimating the Sun's energy output is vital for attributing climate change correctly. Improved measurements have now been obtained from a space-based instrument.