We should use more public transports to work, home or travel in order to reduce the green house gases emission and fuel consumption. I know it is really hard for the car dependent city - like where I live - Plano, TX, but we should make a start.
From building codes to greenhouse gas emissions standards, elected officials can make a huge difference in how much carbon is in the atmosphere. Get out and vote for candidates who make green a priority. Every vote counts.
Creation of innovative technology through science & engineering to develop machines capable of atmospheric pollution capture and chemical conversion of pollutants into non-hazardous states, safer or reusable forms.