Sentences with phrase «other human activities add»

These and other human activities add over 30 billion tons of carbon dioxide each year into the atmosphere, with the greatest contribution from fossil fuel burning.

Methane and nitrous oxide emissions from agriculture and other human activities add to the atmospheric burden of heat - trapping gases.

Not exact matches

An amendment added to a farm bill that was approved by the House Agriculture Committee would bar people from «knowingly slaughtering a dog or cat for human consumption,» as well as transporting or participating in other commercial activity related to eating pet meat.

The biggest factor is the increase in CO2 concentration as well as a few other greenhouse gases, also added by human activities.

The phenomenon of climate change, he added, should include other kinds of factors, both internal, such as volcanoes and the very human activity, and external, such as solar activity.

«It is almost certain that by adding carbon dioxide to the atmosphere through burning fossil fuels (and through land clearance and other activities, like making cement) human beings are helping to warm the atmosphere.

There are indications that large regions of the permafrost in parts of Alaska and other northern polar areas are already thawing, with the potential to release massive amounts of carbon into the atmosphere beyond those being directly added by human activity.

Since the Industrial Revolution began around 1750, human activities have contributed substantially to climate change by adding CO2 and other heat - trapping gases to the atmosphere.