Earlier quoted context omitted.
Wind, solar, dams and wave. They may not replace coal and other fossil fuels today but we can substitute a lot of our energy needs with a concerted effort into those renewables.
I've got some bad news about hydro dams for you. https://en.wikipedia.org/wiki/List_of_hydroelectric_power_st... > 1,917 deaths > 26,000 dead from flooding, 145,000 dead from subsequent famine and epidemics, 11 million homeless. > 1800 - 25000 people killed > 75 fatalities, due to turbine failure There's also the part where we have tapped out the Earth's exploitable hydro capacity. Hydro output is expected to grow by…
Dams hold back silt and sediment essential to farm land and despite everything you learned about fish ladders and salmon, they don't really work as well as the power companies say.