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As the United Nations climate negotiations flounder, businesses are forging ahead with their own low-carbon standards. Have we passed a political tipping point for momentum on carbon action?
Feeding a growing population in a hotter world will require exploiting a far broader range of crop diversity than now — and that means valuing wild genes.
As the emerging field of geoengineering gains momentum, researchers must question the motivations behind their experiments and maintain an open dialogue with the public.
Humans rely on the social tool of reputation in many of their relationships; now its power should be deployed at the intergovernment level to help provoke action on climate change.
As another Intergovernmental Panel on Climate Change report is mired in controversy, it's time for the influential body to uphold its own neutrality standards.
A global private carbon-labelling scheme for consumer products could fill the climate-policy gap by influencing the behaviour of consumers and corporate supply chains.
The biological world is responding rapidly to a changing climate, but attempts to attribute individual impacts to rising greenhouse gases are ill-advised.
Major efforts are underway to improve climate models both for the advancement of science and for the benefit of society. But early results could cause problems for the public understanding of climate change.
The Copenhagen Accord leaves a gap between climate impacts that can be dealt with through adaptation and those that will be avoided through mitigation. But how big is the gap?
Despite their political popularity, carbon tariffs will be next to impossible to implement effectively, and as such will do little to solve the climate problem.