Change Quote by David Grinspoon

There's a lot to do in space. I want to learn more about the greenhouse effect on Venus, about whether there was life on…

— Neil deGrasse Tyson

I do a lot of work with NASA and am involved in research projects studying planetary evolution, Earth-like planets, and potential conditions for life…

— David Grinspoon

I'm an astrobiologist, and I come from a planetary science background, so in a very broad sense, I study the evolution of planetary environments.

— David Grinspoon

I've been studying the planets and learning the personalities of each planet.

— Dr. Dre

I don't like to claim that I am an expert on anything, but I have enough knowledge about climate science and climate system to…

— Willie Soon

I'm a geophysicist who has conducted and published climate studies in top-rank scientific journals. My perspective on Mr. Inhofe and the issue of global…

— David Deming

I want to work on environmental issues.

— Jimmy Gomez

I have expertise in five different fields which helps me to easily understand the analogy between my scientific problems and those occurring in nature.

— Philip Emeagwali

While I am not a scientist, and write primarily on economics, tax policy and budget issues, I have been fascinated over the years by…

— Peter Ferrara

I like science - geography, meteorology, cosmology.

— Randy Newman

I have a major respect for nature. I'm an environmentalist.

— Hugh Masekela

I have this extraordinary curiosity about all subjects of the natural and human world and the interaction between the physical sciences and the social…

— Ian Hacking