Geoengineering to Alter Climate Moves Closer to Reality
- Researchers say greenhouse-gas removal needed to avert warming
- Large-scale greenhouse gas removal among methods considered
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A United Nations body is investigating controversial methods to avert runaway climate change by giving humans the go-ahead to re-engineer the Earth’s oceans and atmosphere.
So-called geoengineering is seen as necessary to achieve the COP21 Paris agreement clinched in December, when 197 countries pledged to keep global temperatures rises below 2 degrees Celsius (3.6 degrees Fahrenheit), according to researchers who produced a report for the UN Convention on Biological Diversity.