A new issue of OnEarth is out. Jonathan Pickering (ANU): On the Concept of Climate Debt: Its Moral and Political Value. Keystone: It's become central to the debate over the future habitability of planet earth — a special report. Weather gone wild: Rains that are almost biblical, heat waves that don’t end, tornadoes that strike in savage swarms — there’s been a change in the weather lately; what’s going on? Global warm up: Climate change pressure group Operation Noah recently persuaded Paul Kerensa to become its comedian in residence. Daniel Rirdan, author of The Blueprint: Averting Global Collapse, on understanding climate change. From Policy Innovations, can bioregionalism go global before collapse? An interview with Richard Evanoff, author of Bioregionalism and Global Ethics: A Transactional Approach to Achieving Ecological Sustainability, Social Justice, and Human Well-being. Is the global ocean healthy? We can answer that now. Climate science as culture war: The public debate around climate change is no longer about science — it’s about values, culture, and ideology. Has the time come to try geoengineering? David Biello wonders.