Using recycled material shrinks landfills, which is a good thing.
-Put a quota on their annual CO2 production
 If governments don't regulate this, companies should limit their annual CO2 production even without government regulation
As for us, the people, we can:
-Use energy-efficient appliances
 Using energy-efficient ACs and lights can help minimize our damage to the environment.
-Use public transport
 Even without the encouragement of governments, we should start using public transport more
-Spread awareness
 Even with all this media coverage about global warming, some people still don't know how bad global warming is, which is where we come in and educate them
Conclusion