Tell them who you are.

告诉他们你是谁。

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"You go up to any British citizen and tell them who you are and ask them to work with you - most people will say 'yes'," says Scarlett.

“你随便找一个英国公民，告诉他们你是谁，请他们配合你的工作——多数人会说‘好的’，”斯卡利特说。

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Help the new gulls here, the ones who are high enough to see what you have to tell them.

帮助那些新来到这里的海鸥，他们已经飞得这么高，很可以领会你说的一切了。

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Now, there are voices, some of them at the top of politics, who will tell you that climate change is the biggest threat facing the human race.

BBC: Science & Environment