still have coal, steam, gas, hydrogen, nuke, wind, water, solar,
batteries. Just to name a few energy sources. Most important
of all is the ability to find improvements in it to
scale such sources output to mass practical levels,
sustainable for a cleaner green environment and
the economic willpower to retool infrastructures
to accomodate such sources.
yep. thats very true.
But usually when govts introduce new "green" changes, the people
always debate about job losses/creations, and since its gonna be
expensive---more taxes in the following years 
