Plz give me ideas , THESIS STATEMENT AND OUTLINE

1. Since the 1970s, human activity has released approximately 150 billion tons of carbon dioxide into the atmosphere. How could the increase in atmospheric carbon dioxide impact the greenhouse effect?

2. Over a long period of time, how might living things adapt to increased carbon dioxide levels and climate change? Do you think most species will adapt, or are many species likely to go extinct?

Plz give me ideas,