Records reveal warming’s first warning

Click here to access article Tim Radford from Climate News Network.

Climate scientists have been warning for decades that the build-up of greenhouse gases in the atmosphere, as a result of the human combustion of fossil fuels, will at some point tip stable climate zones into new regimes – a shift defined by the researchers as an “abrupt, substantial and persistent” change.

Most climate scientists expect such change to happen in the next few decades, but this new study seems to declare that it has already started to happen.