Greenhouse gases have a puzzling double effect
Harvesting the hay in Vatnahverfi, Greenland: The Arctic is greening. Image: By jtstewart, via Wikimedia Commons This article first appeared on the www.climatenewsnetwork.com website byTim Radford Lustier plant growth as greenhouse gases climb should counter global heating and atmospheric carbon build-up. But it’s not quite so simple. The Arctic is getting greener as [...]