Some countries are known for having dangerously high pollution levels, poor sanitation, and large amounts of unmanaged waste. These problems are usually caused by overpopulation, industrial activity, ...

Most of the used cars shipped to Nigeria and the rest of the continent have been stripped of pollution controls. The United Nations has warned that the trade in secondhand vehicles, which are ...

Past climate assessments let big polluters delay action, placing more burden on smaller nations. A new method based on historical responsibility demands steep cuts from wealthy countries and more ...