Alternative energy sources are in our best survival self-interest. Finite energy sources no longer (see the last 40 years) make economic, climate sense. Financing a new coal power plant is so much more expensive and environmentally unsound than wind, solar power plant coupled with a storage solution (see lithium-Ion battery.
Many years back my very smart, professional, kind hygenist recommended I purchase an electric toothbrush to save my gums. My problem, like many, was aggressive brushing (see not correct) with a non-electric toothbrush
Multiple studies published in peer-reviewed scientific journals show that 97 percent or more of actively publishing climate scientists agree*: Climate-warming trends over the past century are extremely likely due to human activities.