Craig Johnson

This decade, the world's most valuable companies (all of them American) will be putting their money where their mouth is.

The pandemic set oil production back two years while investments in alternative energy grew, leading some forecasters to predict an earlier arrival of peak oil.

Now that cities can build solar fields for no more money than coal plants, advances will accelerate.

America installed 4.5 GW of utility-scale solar in 2019, bringing the country's cumulative capacity to 29 GW.

Profit and predictability drive a growing investment by Big Oil in solar, wind, and other green resources.

Jobs in clean energy pay much more than average and, after the pandemic, are likely to recover quicker than fossil fuel jobs.

The dependability and the cost-effectiveness of solar power shine in a year of much uncertainty.

These 10 states set the examples to follow coast to coast.