The conspiracy is not "to reduce fossil fuel consumption", it's to gain political power. It's not a hidden conspiracy, mostly it's quite open in its actions; it's the motives that are somewhat hidden because few people lusting after political power have any need to communicate that lust.
And they haven't successfully hidden all evidence: East Anglia.
The central valley of California has good soil, warmth, and dependable sunshine. All that's missing for great agriculture is dependable water. The mid-west, America's breadbasket, suffers fairly cold winters and occasional severe floods.
People make do with what they have and operate in whatever economic conditions prevail. If water becomes too rare and hence too expensive, California farms will fail. Food prices will go up for everyone, and some California farmers will be impoverished. If water does not become too expensive, almost everyone wins.
Anything can be.
Based on that statement and the unquestionable moral and scientific authority of Shel Silverstein, I've ordered a gross of square circles. The supplier claims to have found a way to make PI equal seven.
mostly old ass (white) people
Translation: Experienced members of the most successful and technologically advanced people on earth. People who, except for their failure in raising the current generation, generally did things correctly.
There are plenty of religious ones, too.