Quote by David Keith

“Today global spending on clean energy technologies is almost $300 billion per year—about a hundred times the direct cost of stratospheric aerosol geoengineering.”

— David Keith

The most I ever spent on technology is building a studio - I built one at home in Los Angeles. I can't tell you…

— John Legend

“... to undertake a gargantuan task: calculate the value of all the services provided by all the ecosystems, from the forest to the floodplains…

— Joe Roman

If every country committed to spending 0.05 per cent of GDP on researching non-carbon-emitting energy technologies, that would cost $25 billion a year, and…

— Bjorn Lomborg

Geoengineering involves humans making intentional, large-scale modifications to the Earths geophysical systems in order to change the environment.

— Jamais Cascio

The Kyoto treaty has an estimated cost of between US$150 and $350 billion a year, starting in 2010.

— Bjorn Lomborg

By the way, how much does NASA cost? It's half a penny on a dollar. Did you know that? ... The most powerful agency…

— Neil deGrasse Tyson

“We should avoid dominance by single government research institutions and instead build a culturally diverse set of research and management efforts, with many explicitly…

— David Keith

“only 10 million of the required 250 million cubic meters of earth had yet been removed. The undertaking is a vast one, far exceeding…

— Helen Josephine Sanborn

“the value of the ecosystems services our environment now provides (for free) has been calculated at $36 trillion a year—a figure roughly equal to…

— Peter H. Diamandis

If you compare NASA's annual budget to explore the heavens, that one year budget would fund NOAA's budget to explore the oceans for 1,600 years.

— Robert Ballard

“Once established, commercial interests in geoengineering will no doubt defend the need to keep on keeping on, using whatever means available from backroom lobbying…

— David Keith