Chemistry and the environment

Watch this video and answer:

What is the main cause for global warming?
Why does it affect climate?
What climatic effects  can it cause?
How does it affect ecosystems. Tell examples 
Why can it cause floodings?
What happens when CO2 solves into water?

Video 2:

What does this video tell us about?
Batteries?
Drinking?
Burning plastics?
Plastic foams?
Appliances?