The world this week
Politics As delegates haggled over the final drafts at the un cop26 climate-change summit in Glasgow, America and China issued a joint declaration to work together to reduce emissions. The two countries said they were committed to keeping the increase in Earth’s mean surface temperature to “well below” 2o C compared with pre-industrial levels. China said it would come up with a national plan to curb methane emissions. Time will tell whether their statement was diplomatic showboating or the start of something more substantive. Belarus kept dumping migrants at the border with Poland and barring them at gunpoint from retreating. It has been luring them onto flights from the Middle East with false promises of easy passage to the European Union. The migrants cannot enter Poland, and with winter coming, may soon…