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Human Causes of Global Warming
According to the Environmental Defense Fund, approximately 400,000 square miles of arctic ice has melted over the last 30 years. This is probably largely due to the impact of global warming. Global warming is a slowly increasing temperature in the... More »
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Global warming controversy - Wikipedia


The global warming controversy concerns the public debate over whether global warming is .... (International) Human activity is a significant cause of climate change. 79, 2007. (US) It's necessa...

Climate Change ProCon.org


Is Human Activity Primarily Responsible for Global Climate Change? ..... Rising levels of atmospheric CO2 do not necessarily cause global warming, which ...

Global Warming : Feature Articles - NASA Earth Observatory


Global warming is happening now, and scientists are confident that greenhouse ... Earth's climate changed due to natural causes not related to human activity.

Why Doesn't Everyone Believe Humans Are Causing Climate ... - PBS


Nov 19, 2014 ... Only 40% of Americans attribute global warming to human activity, .... the more likely they are to not accept human-caused global warming.

Marco Rubio says humans are not causing climate change | PolitiFact


May 13, 2014 ... Scientists have been issuing more new reports on the irreversible effects of climate change in recent weeks. Two groups reported on May 12, ...

Humans not to blame for global warming, says Greenpeace co ...


Feb 27, 2014 ... Humans are NOT to blame for global warming, says Greenpeace ... 'The IPCC states that humans are the dominant cause of warming “since ...

The facts don't add up for human-caused global warming ...


May 29, 2014 ... Scientists search for truth by observation and experimentation, not by taking polls . Consensus is a political concept.

How Much Does Human Activity Affect Climate Change? | NCSE


Scientists trying to find out what's causing climate change work like detectives, gathering evidence to rule out some ... Humans are not the only suspects.

Causes of Global Warming: the Human Impact


Evidence That Humans are Causing Global Warming ... Although methane has a shorter lifespan, and consequently, is not as abundant in the atmosphere as ...