2. Consume less.
3. When you must consume, buy used (much of the carbon footprint of many products comes from producing the item).
4. Buy more local goods (much of the carbon footprint of many products comes from transporting them long distances).
5. Travel less, and more carbon-efficiently. Live closer to where you work. Walk > bike > public transit > cars.
6. Stop arguing that climate change doesn't exist.
7. Spend a few minutes researching the answers to your own questions before going on the internet and arguing that environmentalists don't have any answers. There's a wealth of information out there, and lots of people who are trying very hard to educate people, who would be happy to educate you if you asked questions in good faith, or typed your questions into a search engine.
Let’s assume that’s the number.
What I, as an individual, can do to help?
This serves for all the other commenters complaining about my responses.
If you can’t provide something that I can do as an individual I can’t help you.
It doesn’t matter how much we complain about how governments are not doing what they are supposed to if we can’t start with the smallest organizational unit of our planet which is the individual.