Topic: Planetary Engineering

Rethinking Carbon Dioxide (CO2): from a pollutant to a moneymaker

Three startup companies led by prominent scientists are working on new technologies to remove carbon dioxide (CO2) from the atmosphere. The scientific community is skeptical, but these entrepreneurs believe removing CO2 can eventually be profitable and help cool the planet.

Ben Franklin: Founding father, inventor, geo-engineer?

Back in 1784, Ben Franklin noted the effect of volcanoes on climate. Was he the world's first geo-engineer?

Newt Gingrich: 8 of the GOP idea man's more unusual ideas

Newt Gingrich is a big ideas guy. Ask anybody. Some of the ideas end up working, while others are a little out there.

Is Latin America prepared for a debate over geoengineering?

Latin America faces four major questions on the controversial topic of using technology to intentionally reshape aspects of Earth and its atmosphere in a way that counteracts climate change.

Could we use microbes to colonize Mars?

Bacteria helped make Earth habitable, so maybe it could work on Mars too. Just don't expect it to happen quickly.

Should geoengineering be used to address global warming?

If humans heated the earth, perhaps our technology can cool it, too. A look at the science of geoengineering and how it might be used to address global warming.

Geoengineering schemes: pros and cons

Some pros and cons of geoengineering schemes that might be considered when addressing global warming.

How to Cool the Planet

Strong journalistic skills make this assessment of geoengineering lively, intelligent, and even humorous.

Economic impact of Iceland volcano

Weird science: Consider geoengineering to fight global warming

Geoengineering -- intentionally altering Earth's climate to fight global warming -- may be risky science but it must be researched. The watchwords should be caution, openness, international cooperation, and humility.

Liability issues related to new anti-climate change initiatives

What do slums teach us about greener living?

Obama adviser says radical tinkering needed to combat climate change

Obama science adviser suggests geoengineering to combat climate change.

Could technology repair Earth’s climate?

EarthTalk: Scientists study ways to pull greenhouse gases out of our atmosphere, but the idea is controversial.

Can we engineer a cooler earth?

As CO2 mitigation efforts lag, some explore sun-blocking, cloud-forming technologies, and more.

A big chill for global warming

A techno-fix to quickly cool the planet needs research in light of new data that climate change is coming fast.