There is no doubt that we should take solar radiation into account. We have seen ground temperatures rising since 1975, and it is important to know to what extent that has been caused by the sun or by carbon dioxide.

Carbon dioxide is natural. It is not harmful. It is part of Earth's life cycle.

Money spent on carbon cuts is money we can't use for effective investments in food aid, micronutrients, HIV/AIDS prevention, health and education infrastructure, and clean water and sanitation.

Limonene has been around forever, carbon dioxide as well. What we've been able to do is devise this catalyst for the first time that allows these two small molecules to come together to make a plastic.

Limonene has been around forever, carbon dioxide as well. What we've been able to do is devise this catalyst for the first time that allows these two small molecules to come together to make a plastic,

There is no question that global warming will have a significant impact on already existing problems such as malaria, malnutrition, and water shortages. But this doesn't mean the best way to solve them is to cut carbon emissions.