News Headline
A mild-mannered biker triggered a huge debate over humans’ role in climate change – in the early 20th century
Source
The Conversation
Publication Date
2022-02-21
In 1938, a British engineer and amateur meteorologist made a discovery that set off a fierce debate about climate change. Scientists had known for decades that carbon dioxide could trap heat and warm the planet. But Guy Callendar was the first to connect human activities to global warming.