Tag: challenge

Are asteroids humanity’s ‘greatest challenge’?

Are asteroids humanity’s ‘greatest challenge’?

June 29, 2017 by Comments are Disabled

Are asteroids humanity’s ‘greatest challenge’? June 28, 2017 by Mariëtte Le Roux via Phys.org Throughout its 4.5-billion-year history, Earth has been repeatedly pummelled by space rocks that have caused anything from an innocuous splash in the ocean to species annihilation. When the next big impact will be, nobody knows. But the pressure is on to predict—and intercept—its arrival. “Sooner or […]

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Ask Randall: Response to remarks posted by David Camacho to “Redemption of the Beast”

Ask Randall: Response to remarks posted by David Camacho to “Redemption of the Beast”

June 16, 2017 by 2 comments

Response to remarks posted by David Camacho to “Redemption of the Beast” Comment posted by Mr. David Comacho David Comacho: Randall here and Don Easterbrook both claim CO2 increases are insignificant and urge us to consider its low concentration in the atmosphere. CO2 is a trace gas but it is very powerful in its influence and has nearly doubled in […]

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