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Context provides news and analysis on three of the world’s most critical issues:

climate change, the impact of technology on society, and inclusive economies.



As climate change strengthens, geoengineering ideas - such as shooting reflective particles into the atmosphere or capturing emissions and pumping them underground - are increasingly being considered. Are they a threat - or a good idea?

Scientists weigh up stratospheric sunlight barrier to curb warming Reuters
As climate risks rise, scientists urge rules on solar engineering Laurie Goering
Taking back carbon 'imperative' to stop planet overheating Laurie Goering
Rules to govern sun-dimming technology "urgently" needed - expert Laurie Goering
Developing nations to study ways to dim sunshine, slow warming Reuters
Carbon-sucking technologies unlikely to hold climate line Laurie Goering
Chemical sunshade to slow warming may not be feasible - UN draft Reuters
Artificially cooling planet may pose threat to plants, animals  Alex Whiting
Poor nations need say in use of climate geoengineering -researcher Zoe Tabary
Can carbon-sucking technologies hold back climate change? Laurie Goering
As Congress debates geoengineering, emissions cuts must come first Janos Pasztor
As scientists ponder "hacking the climate", poor countries wary Anna Pujol-Mazzini
Carbon-sucking technology needed by 2030s, scientists warn Laurie Goering
From thin air to stone - greenhouse gas test starts in Iceland Alister Doyle
Scientists dim sunlight, suck up carbon dioxide to cool planet Alister Doyle
Reversing climate change with plantations unrealistic - scientists Laurie Goering
Climate change could cross key threshold in a decade - scientists Laurie Goering
China sets "artificial weather" target to combat water shortages Reuters
Geoengineering rules needed sooner rather than later Clive Hamilton
Scientists warn geoengineering may disrupt rainfall Reuters
Geo-engineering wins scant enthusiasm at UN climate talks Reuters
'Chemotherapy for the planet' eyed as emissions surge Laurie Goering
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