Geoengineering
Mexico plans to ban solar geoengineering after rogue experiment
A US startup carried out a geoengineering experiment in Mexico, which the country claims was done without prior notice and consent
US and Saudi Arabia block geoengineering governance push
Countries failed to agree on a Swiss resolution to consider regulating technologies that aim to cool the planet, at the UN Environment Assembly in Nairobi
Switzerland puts geoengineering governance on UN environment agenda
No longer the preserve of science fiction, climate-hacking technologies may need international oversight, say backers of draft resolution
Geoengineering rulebook could be ready by 2020s
Initiative sponsored by Carnegie Council and led by UN climate veteran aims to break silence around geo-technologies and explore their potential
US opens door for climate geoengineering research
Global Change Research Program indicates support for further exploration of how geoengineering could be used to tackle global warming
UN to extend freeze on climate change geoengineering
Draft documents suggest countries will agree to further ban on large-scale climate techno-fixes, warning risks of damage to biodiversity outweigh potential benefits
Scientists pour cold water on ocean geoengineering idea
NEWS: Fertilising algae with iron filings is no easy climate fix, study finds, as benefits in one region will be offset elsewhere
Scientists warn against geoengineering as short-term climate fix
NEWS: ‘Irresponsible’ to rely on techniques to strip carbon or reflect sunlight to slow global warming, EU analysis concludes
Could geoengineering make climate change worse?
NEWS: Resorting to geoengineering to tackle climate change would be an admission of failure, UK scientists say
Geoengineering: Pumping iron into oceans could backfire
NEWS: Iron fertilisation of oceans stimulates carbon sucking plankton, but could also lead to rise in CO2 emitting sea-life
Why we need to stop talking about ‘geoengineering’
COMMENT: Lumping all ‘geoengineering’ techniques under one label risks making sensible options guilty by association
Geoengineering creeps from sci-fi to reality
ANALYSIS: Scientists, artists and policymakers pondered whether to hack the planet at a meeting in Berlin this week
Geoengineering lacks popular support say researchers
Scientists are increasingly looking to more radical schemes to curb global warming, but the more radical proposals are not liked by the general public
UN climate experts warn geoengineering may be essential
Thursday’s top 5: World may need to suck CO2 out of air, China becomes one of world’s largest historical emitters, senators push for Keystone approval
Reducing sunlight unlikely to cool earth – scientists
Idea that we can address global warming by engineering the atmosphere rebuffed by scientists in USA and Germany
Clean energy investments under attack from Australian government
Morning summary: Abbott to stop Clean Energy Finance Corporation; women leaders tells Obama to scrap Keystone; and animals need to be genetically modified
Russia urges UN’s IPCC climate report to include geoengineering
Guardian: Russian government is asking for ‘planet hacking’ to be included in the climate science report, leaked documents show
UK conservatives launch ‘climate sceptic’ fightback
Morning summary: Climate change minister Greg Barker calls for ‘new generation of energy entrepreneurs’ to help cut bills and make sector greener
Geoengineering ‘parasols’ could protect world’s coral reefs
The world’s coral reefs are under threat. Some scientists say doses of cloud brightening could provide a solution to the problem.
Scientists warn earth cooling proposals are no climate “silver bullet”
Geoengineering the world out of dangerous climate change without cutting carbon emissions sounds an attractive idea – but will it work?