6 votes America colonisation ‘cooled Earth's climate’ Posted January 31, 2019 by Whom Tags: climate change, ecology, colonialism, genocide, usa, history, 15th century, middle ages.late, author.jonathan amos, source.bbc https://www.bbc.com/news/science-environment-47063973 Link information This data is scraped automatically and may be incorrect. Published Jan 31 2019 Word count 907 words