News tagged with carbon dioxide level

What geology has to say about global warming

Last month I gave a public lecture entitled, "When Maine was California," to an audience in a small town in Maine. It drew parallels between California, today, and Maine, 400 million years ago, when similar ...

Jul 14, 2014
4.4 / 5 (33) 198

High-CO2 world threatens seabed life

Environmental change is transforming many parts of the north-east Atlantic seabed, and according to a newly-published paper this will almost certainly get worse in the coming decades.

Jun 20, 2014
3.3 / 5 (7) 0

More CO2 also means less nutritious food

Rice, maize, soybeans and wheat are the main source of nutrients for over 2 billion people living in poor countries. But with climate change and the rising amount of CO2 in the air we breathe, their already low nutrient value ...

Jun 06, 2014
3.8 / 5 (16) 15

Climate warnings ignored with US elections looming

The U.S. Congress, ignoring dire new warnings about climate change, continues to shy away from legislation that might mitigate the effects of global warming, leaving President Barack Obama with limited tools to reduce greenhouse ...

May 15, 2014
3.9 / 5 (18) 69