David "Climate Nuremberg" Roberts: "Actions taken today to reduce climate pollution will have effects on global temperatures, if at all, many, many decades in the future."

Watch the climate conversation run aground | Grist

...The time lag between cause and climate effect is much larger than that. Any action that might plausibly have affected the Texas drought or Iowa floods took place many, many decades ago. And there is nothing Iowa can do in terms of climate pollution — nothing humanity can do — to prevent next year’s droughts and floods. Actions taken today to reduce climate pollution will have effects on global temperatures, if at all, many, many decades in the future.