There is an abundance of reports focusing on
the energy needs of humanity and the sustainability of mass action, but relatively little acknowledgement of the upsides of present cities as a way for allowing large populations to live in some comfort.
He focuses on the basics of the science, with a dollop of economics, and leaves off the super wicked questions related to satisfying
the energy needs of humanity through its current growth spurt without overheating climate.
Not exact matches
«By failing to adequately limit population growth, reassess the role
of an economy rooted in growth, reduce greenhouse gases, incentivize renewable
energy, protect habitat, restore ecosystems, curb pollution, halt defaunation, and constrain invasive alien species,
humanity is not taking the urgent steps
needed to safeguard our imperiled biosphere.»
We
need the control
of atomic
energy for constructive ends, lest civilization and perhaps
humanity itself cease to exist upon earth.
The sun is a virtually limitless source
of clean
energy, beaming down enough on Earth in an hour to meet
humanity's
needs for a year.
The sun blasts Earth with enough
energy in one hour — 4.3 x 1020 joules — to provide all
of humanity's
energy needs for a year (4.1 x 1020 joules), according to physicist Steven Chu, director
of Lawrence Berkeley National Laboratory.
Humanity must become aware
of the urgent
need to replace fossil fuels with renewable
energy sources to avoid the catastrophic scenario
of using coal as an
energy source as well as to replace the current model
of development for sustainable development, which, by reverse logistics, with the reuse, recovery and recycling
of materials, thus reaching the so - called closed production cycle, could delay the exhaustion
of natural resources
of the planet Earth.
The task on emissions is twofold — to bend the curve
of gas releases using regulations, incentives, education and standards, but (more importantly, to me) also to build the intellectual infrastructure and innovative, globally - collaborative culture that will be required for the next generation to take that curve down toward zero even as
humanity's
energy needs continue to rise.
On
energy, there is an entirely different span
of views, and far more agreement that
humanity doesn't have the choices it
needs for a smooth ride in this century.
«[b] y failing to adequately limit population growth, reassess the role
of an economy rooted in growth, reduce greenhouse gases, incentivize renewable
energy, protect habitat, restore ecosystems, curb pollution, halt defaunation, and constrain invasive alien species,
humanity is not taking the urgent steps
needed to safeguard our imperilled biosphere.»
Using both uranium and thorium reserves, all
of humanity will have all the pollution free
energy we would ever
need for 11.2 billion years.
A path - breaking analysis published in the Harvard Law and Policy Review that documents the radical improvements to low - carbon technologies
needed to meet
humanity's growing
energy needs and the kinds
of policies
needed to secure them.
All
of this would take tremendous
energy and materials — ironically frontloading carbon emissions just when they most
need to be reduced — and expand
humanity's total ecological impact significantly in the short term.
But those Critical on Wind Power also realize the following:
Humanity needs 426.000.000.000.000.000 BTU
of energy per year and obtains it for about 50 % burning that dirty coal!
This topic connects with the question
of a zero -[
energy]- growth economy, which we ultimately
need to be truly sustainable — and which
humanity really has apparently only barely begun to think about.