由于气候变化，现在每年有成千上万的人死去，死亡人数20年里将达到约50万。

Sentence No. 1 Regular exercise is something like the weather — we all talk about it, but most of us tend to make an excuse for not exercising.

Sentence No. 3 Today, hundreds of thousands of lives are lost every year due to climate change. This will rise to roughly half a million in 20 years.