- A study led by many intl scientists on 1013 species (plants and animals) shows that 15-37% of them on earth will disappear by 2050 due to global warming
- Many species are already at risk
- If no action is rapidly taken (drastically reduce green-house effect gazes), we'll likely see the worst-case scenario occur
- It's a major concern for nature biodiversity but for humans too since many people in devlopg countries rely on Nature for food, shelter and other services.