The moon may be the best place to transport rocket fuel

When astronauts return to the moon in the next few years, the plan is to have them stay for good while establishing a permanent outpost on Earth's nearest celestial neighbor. Like all space missions, a lunar outpost will ...

Is it feasible to remove carbon dioxide from the atmosphere?

Last week, the media reported that atmospheric carbon dioxide is at its highest levels in more than 4 million years. Carbon dioxide in the atmosphere is one of the primary drivers of global warming. The dip in greenhouse ...

Natural capital a missing piece in climate policy

Clean air, clean water and a functioning ecosystem are considered priceless. Yet the economic value of nature remains elusive in cost-benefit analysis of climate policy regulations and greenhouse-gas-reduction efforts.

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