News
Africa's dangerous air pollution levels are a global problem, says new research
A new report in Nature Geoscience has brought to light the challenge of air pollution levels in Africa and why international action is needed to combat it.
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.