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How are humans responsible for global warming? | Environmental ...

www.edf.org/climate/human-activity-is-causing-global-warming

4 days ago ... Causes of global warming include human activities like deforestation and burning fossil fuels.

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? ... that emissions of heat-trapping gases from human activities have caused “most of ...

Causes of Global Warming: the Human Impact

globalwarming-facts.info/causes-global-warming-human/

Evidence That Humans are Causing Global Warming ... This is largely due to human activities; primarily the burning of fossil fuels, but also due to deforestation  ...

Climate Change ProCon.org

climatechange.procon.org/

Is Human Activity Primarily Responsible for Global Climate Change? .... Global warming caused by human-produced greenhouse gases is causing the Arctic ice  ...

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 ... How do we know that recent CO2 increases are due to human activities ?

Empirical evidence that humans are causing global warming

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

Direct observations find that CO2 is rising sharply due to human activity. ... a line of empirical evidence that human CO2 emissions are causing global warming.

Science | Climate Change | US EPA

www3.epa.gov/climatechange/science/overview.html

Aug 9, 2016 ... Natural causes alone cannot explain all of these changes. Human activities are contributing to climate change, primarily by releasing billions of ...

Human Global Warming: What Are the Main Causes? | PlanetSave

planetsave.com/2009/04/18/human-global-warming-what-are-the-main-causes/

Apr 18, 2009 ... To understand how humans cause global warming, it is important that you are aware of the link between your daily activities and the ...

How Do Humans Cause Global Warming? | PlanetSave

planetsave.com/2009/02/02/how-humans-cause-global-warming/

Feb 2, 2009 ... Humans cause global warming with our unique ability to capture and use .... I think the clear point was which activities cause the warming.

How Much Does Human Activity Affect Climate Change? | NCSE

ncse.com/library-resource/how-much-does-human-activity-affect-climate-change

The Earth's climate is changing rapidly. Scientists trying to find out what's causing climate change work like detectives, gathering evidence to rule out some ...

Answer
There is strong evidence that human activity is a major cause of global warming.
In a study, models based on man-made emissions of greenhouse gases matched the real world observations almost precisely.
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Global Warming is Human Caused - National Wildlife Federation

nwf.org

Scientists have concluded that most of the observed warming is very likely due to the ... Human activity--such as burning fossil fuels--causes more greenhouse ...

Climate Change: Vital Signs of the Planet: Causes

climate.nasa.gov

Vital Signs of the Planet: Global Climate Change and Global Warming. ... and other human activities have increased concentrations of greenhouse gases.

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

climatechange.procon.org

Apr 7, 2015 ... "Multiple lines of independent evidence confirm that human activities are the primary cause of the global warming of the past 50 years.