The administration of U.S. President Donald Trump is weighing whether to attend the COP30 climate talks. Whatever it decides, experts say its action or inaction will have a major impact. https://www.japantimes.co.jp/environment/2025/10/16/climate-change/trump-cop-attendance-influence/?utm_medium=Social&utm_source=mastodon #environment #climatechange #cop30 #environment #emissions #us #donaldtrump #trade #tariffs #republicans #brazil