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Exxon, Total and Shell are finally talking about climate change

Some of the most powerful forces of the modern world have this month entered into an engagement that puts international security at stake. “Throughout the 21st century, climate change impacts are projected to slow down economic growth, make poverty more difficult, further erode food security, and prolong existing and create new poverty traps.” So said the world’s leading authority on climate change, the United NationsIntergovernmental Panel on Climate Change (IPCC) in its penultimate assessment report on 31 March.

IPCC report: averting catastrophe is eminently affordable

Catastrophic climate change can be averted without sacrificing living standards according to a UN report, which concludes that the transformation required to a world of clean energy is eminently affordable.
“It doesn’t cost the world to save the planet,” said economist Professor Ottmar Edenhofer, who led the Intergovernmental Panel on Climate Change (IPCC) team. The cheapest and least risky route to dealing with global warming is to abandon all dirty fossil fuels in coming decades, the report found. Gas – including that from the global fracking boom – could be important during the transition, Edenhofer said, but only if it replaced coal burning.

Commons committee warns of environmental impact of HS2

Tougher environmental safeguards should be imposed on HS2 to minimise irreplaceable damage, particularly to ancient woodland, and harmful impacts of the proposed north-south rail link, a parliamentary committee has recommended. HS2 Ltd should engage in much greater consultation and not resort to claiming that measures are not “practicable or reasonable” to “readily dismiss essential environmental protections”, the House of Commons environmental audit committee has said in a report published on Monday.

Has climate change adaptation lost its way?

Poor farmers regrow trees on their land in the Sahel for food, animal fodder, fuel and crop protection. Communities threatened by rising seas on the Carteret atoll in Papua New Guinea move permanently to Bougainville, the country’s main island. The Netherlands devises coastal and river-flood protection schemes with a planning horizon of two centuries. Scientists collaborate to breed new varieties of drought-tolerant maize for Africa.

Clima, rapporto WGII IPCC

Gli effetti del riscaldamento globale probabilmente sono “gravi e irreversibili”. È impietoso il giudizio dell’Ipcc (Panel Intergovernativo sul Cambiamento Climatico delle Nazioni Unite) nel rapporto diffuso oggi a Yokohama, Giappone, sullo stato di salute mondiale dell’ambiente. I dati confermano che il cambiamento climatico “è una realtà, sta avvenendo ora e sta colpendo le vite e il benessere di intere popolazioni così come quello di ecosistemi delicati alla base di importanti cicli vitali”. Basti pensare alle ondate di calore che hanno colpito l’Europa nel 2003, alle devastazioni prodotte dagli uragani negli Stati Uniti e agli incendi in varie parti del pianeta.

IPCC report: climate change felt ‘on all continents and across the oceans’

has already left its mark “on all continents and across the oceans“, damaging food crops, spreading disease, and meltingglaciers, according to the leaked text of a blockbuster UN climate science report due out on Monday. Government officials and scientists are gathered in Yokohama this week to wrangle over every line of a summary of the report before the final wording is released on Monday – the first update in seven years. But governments have already signed off on the critical finding that climate change is already having an effect, and that even a small amount of warming in the future could lead to “abrupt and irreversible changes”, according to documents seen by the Guardian.