Forget about the temperature records compiled by researchers such as those whose emails were hacked. Next spring, go out into your garden or the nearby countryside and note when the leaves unfold, when flowers bloom, when migrating birds arrive and so on. Compare your findings with historical records, where available, and you’ll probably find spring is coming days, even weeks earlier than a few decades ago.

You can’t fake spring coming earlier, or trees growing higher up on mountains, or glaciers retreating for kilometres up valleys, or shrinking ice cover in the Arctic, or birds changing their migration times, or permafrost melting in Alaska, or the tropics expanding, or ice shelves on the Antarctic peninsula breaking up, or peak river flow occurring earlier in summer because of earlier snowmelt, or sea level rising faster and faster, or any of the thousands of similar examples.

— New Scientist ‘Why there’s no sign of a climate conspiracy in hacked emails


Witold Rybczynski on Christopher Alexander at Slate


Considerations of Insulated Concrete Forms (ICFs)‘ from Building Green

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