News
What are the causes of climate change? Why scientists say humans are to blame
Scientists around the world are striving to learn more about how rising average temperatures worldwide influence the weather. They say it’s increasingly likely that climate change is making weather events more intense, more frequent or of longer duration.
Related Knowledge Center: Climate science
State of Play
What began as a theory in the 1890s — that industrial emissions of carbon dioxide could increase global temperatures — had progressed to a scientific fact a century later. Scientists across a range of disciplines are studying the impact of the still-growing concentration of carbon dioxide and other so-called “greenhouse gases” in the atmosphere as they call for industrial and governmental policies to slow, then halt, the warming of the planet.