More and more countries agree on this climate change goal — but will it work?
As lawmakers around the world debate how best to fight climate change, one goal is rapidly becoming standard: net-zero emissions by 2050.
The European Union, meantime, has said it would move toward zero emissions, though it disappointed environmentalists by not setting a deadline. The goal didn’t come out of the blue. Scientists have known for years that achieving that target by the middle of the century is essential to limiting temperature rise. Research from Climate Analytics released in early 2015, for example, suggested that global greenhouse emissions would need to hit zero by 2100 at the latest to have a good chance of keeping temperatures from rising more than 2°C by the end of the century.
“Ambitious plans are very good but not enough,” says Niklas Höhne, a founding partner of NewClimate Institute. “They need to be cast in stone with laws and regulation.”
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