Sentences with phrase «global greenhouse gas emissions from human activity»

Not exact matches

Global warming became big news for the first time during the hot summer of 1988 when now - retired NASA climate scientist James Hansen testified before Congress that the trend was not part of natural climate variation, but rather the result of emissions of CO2 and other greenhouse gasses from human activities.

The past century has seen a 0.8 °C increase in average global temperature, and according to the IPCC, the overwhelming source of this increase has been emissions of greenhouse gases and other pollutants from human activities.

Mr. McCain has been an interesting voice on global warming, given that he broke with President Bush and most of his party years ago, acknowledging that the buildup of greenhouse gases from human activities was risky and mandatory steps were needed to curb emissions.

«The verdict is in: Global warming is real and greenhouse - gas emissions from human activity are the main cause.

But the IPCC concerns itself with consideration of anthropogenic (i.e. man - made) global warming (AGW) as a result of emissions of greenhouse gases (notably carbon dioxide, CO2) from human activities.

The experts say their research DOES NOT UNDERMINE THE SCIENTIFIC CONSENSUS THAT EMISSIONS OF GREENHOUSE GASES FROM HUMAN ACTIVITY DRIVE GLOBAL WARMING, BUT THEY CALL FOR A CLOSER EXAMINATION OF THE WAY CLIMATE COMPUTER MODELS CONSIDER WATER VAPOUR.

The region locks up more than 100 billion tons of carbon — more than 11 years» worth of total greenhouse gas emissions from human activities; plays an important role in global weather circulation patterns, including delivering rainfall to Central America, the United States, and southern South America; supports perhaps a third of terrestrial biodiversity; and is home to the bulk of the world's remaining indigenous people still living in traditional ways.

Greenhouse gas (GHG) emissions from human activity and livestock are a significant driver of climate change, trapping heat in the earth's atmosphere and triggering global warming.

This warming is largely the result of emissions of carbon dioxide and other greenhouse gases from human activities... — Global Warming Basics World Wildlife Fund

Scientists predict that left unchecked, emissions of CO2 and other greenhouse gases from human activities will raise global temperatures by 2.5 º to 11.5 ºF (1.4 º to 6.4 ºC) this century.

The scientific consensus is that greenhouse gas (GHG) emissions from human agricultural and industrial activity are the principal cause of this global warming [1]--[3] and that such emissions must be severely curtailed to prevent further anthropogenic disruption of the climate system [4].