How Do We Know That Humans Are The Major Cause of Global Warming

For the few decades, scientists have observed an important increase of global warming. What they have been wondering however is whether humans are the major cause of this global warming or if we’re only a part of it. In this article published by the Union of Concerned Scientists, the authors discuss about how and why humans are in fact the major cost of climate change since decades. It is because of most human activities who emit a lot of Carbon Dioxide (CO2) usually released when oil, coal and gas, fossil fuels, are being burnt. Scientists explain that for the past 150 years, the…