It’s not easy flying green
A new analysis emphasizes the large variability in greenhouse gas emissions from alternative fuels.
Putting carbon dioxide to good use
MIT biological engineers have found a way to convert carbon-dioxide emissions to useful building materials, using genetically altered yeast.
Financial impacts of ‘cap and trade’
Analysis shows that, contrary to some claims, proposed legislation to limit carbon emissions would not disadvantage those with lower incomes.
Charting a course toward cleaner cars
MIT team recommends strategy for reducing automotive fuel use, emissions
