climate change

noun2

1. •
   Natural large-scale and long-term change in the Earth's climatic system, as brought about by ice ages.
2. •
   Rapid, large-scale, and long-term change in the Earth's climatic system produced by global warming; anthropogenic climate change.

   • It’s time for our generation-defining public works. How about stopping climate change before we destroy the planet and getting millions of people involved manufacturing and installing solar panels? — 2017