Here is the first question on the Discussion page. Be sure to select the Discussion page to the left and respond to the following question:

(3a-b) It is becoming evident that our climate crisis is the number one environmental issue of our time. The impacts of global warming are likely to be considerable, plus they are placing additional stress on organisms and ecosystems already facing a host of other challenges, from pollution and habitat destruction to ocean acidification and invasive species. What is meant by the term “anthropogenic climate change”? What is the theory behind why Earth’s climate is changing?