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Geoengineering is the deliberate manipulation of the environment that, in theory, could help to stabilise climate change.  While reducing greenhouse gas emissions is the most straightforward and low-risk way of limiting global warming, geoengineering is considered a "plan B".  What is geoengineering

- How Big are Pluto & Charon Compared to Earth? This is a scale graphic of Pluto and its moon Charon compared to our pale, blue dot. Let's make sure we take care of our precious planet by making smart environmental choices!