World near positive 'tipping point' on climate solutions: expert

With climate-enhanced droughts, heatwaves and fires ravaging three continents and the threat of a new surge in global warming, the world urgently needs to ramp-up solutions for slashing carbon pollution. But which solutions ...

Climate talks see push for global renewable energy target

Germany called Tuesday for governments around the world to work on setting an ambitious target for renewable energy that would "ring in the end of the fossil fuel age" and help prevent dangerous global warming.

Campaigners call for fossil fuel deadline, more climate aid

Environmental campaigners urged climate envoys from dozens of nations gathering Tuesday in Berlin to discuss a global deadline for phasing out fossil fuels and ways of increasing aid to poor countries hit by global warming.

Carbon sink models need nitrogen, says study

Nitrogen is necessary when predicting how land plants will take up atmospheric carbon. That's because nitrogen's future trajectory will diverge from that of other factors of plant growth in the coming decades, according to ...

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