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"Russia is pushing for next week's landmark UN climate science report to include support for controversial technologies to geoengineer the planet's climate, according to documents obtained by the Guardian. As climate scientists prepare to gather for the Intergovernmental Panel on Climate Change (IPCC) in Stockholm to present the most authoritative state of climate science to date, it has emerged the Russian government is asking for "planet hacking" to be included in the report. The IPCC has not included geoengineering in its major assessments before"

"Half the planet cooks on smoky open fires, causing over 4 million premature deaths each year and contributing to climate change. Your purchase of the BioLite CampStove helps us fund the initial costs to build and support the HomeStove market abroad."

"This week in the Planet Earth Podcast: Phil Kerrison and Lars Brunner from the Scottish Association for Marine Science explain how seaweed could be cultivated to fuel a power station, your car or even aircraft."

"Given the crises facing the planet, with the population set to reach the 9 billion mark by 2050 and increasing strains being placed on water, energy and food supplies, it would be wrong to hope there could be a single solution to the storms that lie ahead. As the government's chief scientific adviser, Sir John Beddington, once put it in an Observer interview: "There will be no silver bullet.""

"We discard huge amounts of electronics every year, creating a toxic wasteland - often in the poorest countries"