While boreal forests lock up carbon and produce particles that keep the atmosphere cool, they should not be relied on to keep us from burning up, according to Prof Hansson.

• 但韩森博士表示，尽管北方森林同时为我们固定大气中的碳并制造使大气冷却的微粒，我们却不能倚赖它们并继续加热地球。