Landmark Paris Climate Pact to Take Effect in 30 Days
Moving with a diplomatic haste rivaling the rapid recent rise in global temperatures, the European Union on Wednesday joined dozens of countries in signing onto a United Nations climate treaty, pushing it to within a month of taking legal force. Following the filing of paperwork in re…
Why world leaders are meeting to discuss hydrofluorocarbons
IN 1985 a gaping hole was found in the ozone layer above Antarctica. Two years later leaders from around the world signed the Montreal Protocol, a treaty to phase out the substances causing it, known as chlorofluorocarbons (CFCs), which were used in refrigeration and as propellants in products such …