Strat Sphere News Today

Our head and that gets converted to sulphuric acid. and reflect away sunlight. >> that last part is the key. they help to cool the planet. you might remember that filipo volcano that erupted in 1991. well -- >> after a big volcano that put sulphur in the atmosphere, the whole world got cooler for a year. not just cooler but the productivity of plants and ecosystems around the world went up that year. >> the challenge to keith and his fellow scientists is how to get particles into the atmosphere ...

Its an issue of civil rights and human rights. >> do you find yourself defe defending ted olson? >> no. i find myself defending ted olson to my republican friends. >> politics aside, their wives joke that theyre like an old married couple. they go biking together and both enjoy the finer things. >> what do you like about each other? >> where shall we start? shall we start with the wine or the bike trips. >> start with the wine. after a long day, a glass of -- >> definitely a glass. >> chardonnay...