2015-2025 were hottest 11 years on record, with extreme events causing widespread disruption, World Meteorological Organization says.
Leaders from Denmark, Finland, Portugal, Spain, Sweden say decarbonization is key to growth, competitiveness, energy security.
Lawsuit alleges coordinated federal campaign targeting Colorado-based center amid tensions between Trump, state governor.
Research finds heat-linked inactivity could increase 1.5% per additional hot month, with major health and economic costs worldwide.
Updated plan to 2035 reiterates ending deforestation as central emissions-cut strategy, as land-use change accounts for nearly half of emissions.