Now I've dedicated my life to trying to understandthe lasting biological impacts of our human footprint.

现在，我毕生致力于了解人类足迹的持久生物影响。

Let's look at a 2014 study done on the biological impacts of the Fukushima Dai-ichi Nuclear Power Plant accident in Japan.

让我们看一下 2014 年针对日本福岛第一核电站事故的生物影响进行的研究。