emission

None of these ideas are a substitute for cutting emissions, the only shorefire way to slow down climate change.

None of these ideas are a substitute for cutting emissions - the only sure-fire way to slow down climate change.

Since countries have first begun taking steps to lower their emissions, warming projections have shifted downwards.

Gold mining is notoriously energy-intensive, producing as much carbon each year as the emissions from about 28 million cars.

The main factor in climate change, of course, is human activity, especially greenhouse gas emissions.

Today, about a third of the world's electricity comes from renewable sources, but fossil fuels are still driving dangerous levels of greenhouse gas emissions.

Today, about a third of the world's electricity comes from renewable sources, but fossil fuels are still driving dangerous levels of greenhouse gas emissions.