The IStructE recognises the climate crisis and has worked hard to inform and infl uence its members to be more sustainable. This has encouraged me to learn a little more about our actions and their global consequences, and now I wonder if counting carbon and trying to be more sustainable is enough. It is now beyond doubt that our global greenhouse gas emissions (including carbon dioxide, methane and nitrous oxide) are causing climate change and global warming, which has reached 1.1℃. The alarm was raised over 40 years ago and the dangers and the remedies clearly spelled out in the fi rst report of the Intergovernmental Panel on Climate Change (IPCC) in 1990. Subsequently, at the Earth Summit in Rio de Janeiro, 154 of the world’s nations committed to substantial reductions in greenhouse gas emissions.
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