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Global Warming is Human Caused - National Wildlife Federation

www.nwf.org/wildlife/threats-to-wildlife/global-warming/global-warming-is-human-caused.aspx

Scientists have concluded that most of the observed warming is very likely due to the burning of coal, oil, and gas. This conclusion is based on a detailed ...

Do We Know that Humans Are the Major Cause of Global Warming

www.ucsusa.org/global_warming/science_and_impacts/science/human-contribution-to-gw-faq.html

How do we know that humans are the major cause of global warming? Direct evidence of human contribution to atmospheric CO2; The combination of natural  ...

What sparked global warming? People did. | Environmental Defense ...

www.edf.org/climate/what-sparked-global-warming-people-did

But you can also do your part to propel large-scale progress: Tell your ... Scientists are more confident than ever that humans are causing global warming.

Global Warming is Only Part Human Caused — OSS Foundation

ossfoundation.us/projects/environment/global-warming/myths/global-warming-is-only-part-human-caused

How much warming is human caused v. natural cycle? The problem ... Does that mean that global warming is only 42% human caused and the rest is natural cycle? No. .... Join the Party and let's do our best to 'Make a Meaningful Difference'.

Empirical evidence that humans are causing global warming

www.skepticalscience.com/empirical-evidence-for-global-warming.htm

The proof that man-made CO2 is causing global warming is like the chain of ... from the sun, so why do we experience much less heat and cold than the moon?

Human Caused Global Warming — OSS Foundation

ossfoundation.us/projects/environment/global-warming/human-caused

How do we know current global warming is human caused, or man made? Is global warming real, or a hoax? Consider the facts: the climate system is indicated ...

Climate Change ProCon.org

climatechange.procon.org/

They say the theory of human-caused global climate change is based on ..... Rising levels of atmospheric CO2 do not necessarily cause global warming, which ...

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

www.post-gazette.com/opinion/jack-kelly/2014/05/29/The-facts-don-t-add-up-for-human-caused-global-warming/stories/201405290275

May 29, 2014 ... So why, as President Barack Obama says so often, do 97 percent of scientists agree climate change is “real, man-made, and dangerous?”.

Is Human Activity Primarily Responsible for Global Climate Change ...

climatechange.procon.org/view.answers.php?questionID=001445

Apr 7, 2015 ... Actions to stem emissions of the gases that cause global warming are unlikely .... "[T]he scientific case for human-caused climate change is clear. ..... "A high percentage of meteorologists and/or climate scientists do not agree ...

How do human activities contribute to climate change and how do ...

www.eea.europa.eu/themes/climate/faq/how-do-human-activities-contribute-to-climate-change-and-how-do-they-compare-with-natural-influences

Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and  ...

Answer
Climate Change
Climate change, more commonly known as global warming, is caused by the emission of heat trapping gases produced by vehicles, power plants, industrial processes and deforestation...
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Causes of Global Warming: the Human Impact

globalwarming-facts.info

Evidence That Humans are Causing Global Warming ... CFCs do not occur naturally in the atmosphere – they are synthetic compounds that only originate from ...

Climate Change: Vital Signs of the Planet: Causes

climate.nasa.gov

Vital Signs of the Planet: Global Climate Change and Global Warming. ... scientists agree the main cause of the current global warming trend is human ... 300 times as much carbon dioxide in its atmosphere as Earth and Mars do, producing a ...

Climate change evidence: How do we know?

climate.nasa.gov

Vital Signs of the Planet: Global Climate Change and Global Warming. ... ago marking the beginning of the modern climate era — and of human civilization. ... There is no question that increased levels of greenhouse gases must cause the ...