In 2025, overlooked climate challenges included the warming effects of reduced pollution, stalled progress in green hydrogen and rising financing costs for renewables. https://www.japantimes.co.jp/commentary/2025/12/30/world/2025-bad-climate-news-you-missed/?utm_medium=Social&utm_source=mastodon #commentary #worldnews #climatechange #2025 #carbonemissions #fossilfuel #coal #renewables #greenhydrogen