And weâ $ ™ re not going to suddenly turn off a switch and suddenly weâ $ ™ re
no longer using fossil fuels, but we have to use this time wisely, so that you have a tapering off of fossil fuels replaced by clean energy sources that are not releasing carbon.
Not exact matches
Plus, humans could had ridden camels alone without cargo
long before
using them for cargo, where a human weight alone is a much lighter load than with cargo, that it might not show load stress in previous
fossils, let alone that those projected camels are only the known ones by archeologists.
If you've got it, flaunt it — and your hair will remain perfect until the excess energy you
used powering two hair dryers will hasten the world's expenditure of
fossil fuels to the point where we can no
longer afford the electricity to power hair dryers, and instead resort into walking into darkened caves full of bats and allowing the collective heat of their tiny nocturnal bodies to hasten the evaporation of our surplus hair water.
The technical advantage is that local generation eliminates the enormous losses of wasted heat and
long transmission that consume more than half the energy
used in electricity generation by
fossil fuels or nuclear.
As
fossil fuels have a finite quantity, the costs of
using it tend to increase as we get to the point where it is no
longer easily available.
If we could pull carbon out of the air and
use it to wean cars off
fossil fuels, that would go a
long way toward reducing humankind's production of greenhouse gases without impeding technological progress.
Scientists have
long used CT scans to peek inside
fossil - bearing rocks, but the increasing
use of 3D printers now enables them to make endless numbers of exact copies of those relics.
«We know that
fossil - fuel
use is not sustainable in the
long run,» Dukes says.
The
use of alcohol as a fuel for internal combustion engines, either alone or in combination with other fuels, has been given much attention mostly because of its possible environmental and
long - term economical advantages over
fossil fuel.
Properly situated, vertical farms could eliminate the need for
long - distance crop transport and refrigeration, reducing
fossil fuel
use and greenhouse gas emissions.
«We have
long suspected that there was a connection between throat structures
used for air breathing and middle - ear structures
used for hearing,» says Jennifer Clack of the University Museum of Zoology in Cambridge, England, who has studied related
fossils.
They
used the
fossil record to date branches of the tree and work out just how
long it took for dinosaurs» bodies to change.
There are several reasons for this: the contraction of energy - intensive heavy industries, such as iron and steel; the
long - term malaise in the national economy; the modest move away from burning
fossil fuels that produce carbon dioxide towards nuclear energy; and the increasingly efficient
use of energy evident in most of the economies of the rich world.
«
Fossils from classic areas in North America and Europe have been studied for over a century, but there are long - standing questions about how different animal groups dispersed to other areas that we can't answer using just those fossils,» said Angi
Fossils from classic areas in North America and Europe have been studied for over a century, but there are
long - standing questions about how different animal groups dispersed to other areas that we can't answer
using just those
fossils,» said Angi
fossils,» said Angielczyk.
No matter how you look at it, I think there's only one
long - term solution: to stop
using carbon as a source of energy, to switch away from
using fossil fuels.
Generating a maximum of 32 - megawatts, it can produce enough energy to power up to 4,500
Long Island homes without the
use of
fossil fuels.
Early hominin stature reconstructions are notoriously difficult to assess: the limited number of intact
long bones available in the
fossil record often requires reconstruction of the
long bone length from fragmentary remains, before different methods can be
used to estimate the stature; the eventual results can differ according to the method employed.
Airplanes, ships and
long - distance trains can't be plugged into an outlet, but hydrogen energy could be
used to produce liquid
fossil fuels, Lewis said.
Moreover, anthropogenic forcing from increased greenhouse gases might outweigh orbital forcing for as
long as intensive
use of
fossil fuels continues [9].
How will we manage our resources for instance, if we
use up most of our
fossil fuels and can't ship food across the country any
longer?
As a result one
long - standing criticism of renewable energy may no
longer apply, namely that mandating increased
use of renewable energy for electricity generation will be more costly in the
long run than sticking with
fossil fuel energy.
ALL of the political interference has been on the side of the deniers, and that interference is driven by those with a huge financial stake in prolonging the
use of
fossil fuels as
long as possible.
Every element in the complex, beautiful illustrations supports the informative text, which offers a welcome,
long - term perspective on the subject: how
fossil fuels formed millions of years ago and how their
use affects the planet today.
The bigger problems of
fossil fuel
use are continuing and a
long term effort to replace that is beset with all kinds of problems that are a combination of corporate interests, mindset, and science, coupled with the will to get it together.
Well, I just picked it;
longest period when someone alive today could have benefited from their country's
use of
fossil fuels and within the time that most of any additional CO2 would still have an effect.
It also includes
longer term plans to stop their existing high volume
fossil fuel
use from ~ mid-century.
As
long as
fossil fuels wind up being abandoned, it doesn't matter how it happens, and it's probably more effective to
use humor and economics against the pro-
fossil-fuel crowd (oil & coal industries).
But the story includes ample hints that such a focus may be tough to sustain given how costly the non-polluting energy technologies remain compared to
fossil options, at least if energy costs are measured
using conventional economic yardsticks that don't include
long - term costs.
A carbon fee + dividend scheme such as suggested by James Hansen would not only go a
long way to «curb massively the
fossil fuel
use», but it would also have the added beneficial effects of slightly redistributing income, improving public health, stimulating the economy and greatly accelerating the inevitable transition to renewable energy.
In theory, change can come through a mix of a) increasing public will to shift behavior and priorities for the sake of cutting a
long - term risk and b) lowering the cost difference between non-polluting energy choices and conventional
use of
fossil fuels.
Rather, the best type of candidate might be the one who will be able to avoid corruption, graft, and ploys for personal power, while being able to simultaneously write solid,
long - term legislation that rewards new energy ideas that can result in the reduction of CO2 emissions, while also writing legislation that provides for adequate nuclear energy and
fossil energy to be developed and
used for the near term without punishment.
Over all, Obama's choices reflect his longstanding pattern of charting a pragmatic path reflecting the need for strong regulation, including of greenhouse gases (embodied in McCarthy), and the simultaneous need to advance responsible
use of cleaner
fossil fuels while also
using policies and investments to advance non-polluting energy technologies for the
long haul.
Using fossils from all over the world, Marcott presents the
longest continuous record of Earth's average temperature.
This technology continues to develop, and there are now some boats that can go on
long - range trips without
using any harmful
fossil fuels.
A study
using data taken from
fossils and ice cores finds that
long - term temperature variability decreased four-fold from the Last Glacial Maximum (LGM) around 21,000 years ago to the start of the Holocene around 11,500 years ago.
And by the time the next 100 years passes, humanity will no
longer be
using fossil fuels as the primary source of energy.
But with
fossil fuels, the issue is no
longer just about siting, choosing among sources carefully, or mitigating impacts after the fact; we must stop expanding their
use immediately and categorically, and transition away from them over time.
The production of food and fibre; the urbanization of once agricultural or forested lands; and the sequestration of that portion of carbon emissions from
fossil fuels that is not already absorbed by oceans or by
long - term sequestration strategies in agriculture or forestry, all constitute competing or non-overlapping
uses of ecosystems.
It introduces a fuel switch project that reduces
fossil fuel
use and brings additional benefits, such as the
long - term sustainability of the local paper mill and economic improvement in the area where the project is located.
Indeed, as I argue in this article, I think it will be absolutely essential that we shift much of our current wasteful
fossil fuel
use (e.g., shipping the same goods back and forth across the ocean, driving gas - powered private automobiles, and producing disposable consumer goods) toward building new infrastructure for
long - term resilience (e.g., local food economies, low - energy housing, greenspace, water catchment and storage, clean energy systems, trains, and, yes, wind - powered sea vessels!).
During Roman times, it was warmer,
long before expanded
fossil fuel
use revolutionised civilisation.
In fact it may be a reason not to be overly concerned about China - they must be well aware that at the rate they keep
using up more and more
fossil fuels, they are going to get to a point where they're not
longer cheap and easily available very quickly.
About 24 years — that's how
long it will take for humans to burn enough
fossil fuels and emit enough carbon (at current and projected rates) to
use up that «carbon budget.»
Like the 28 governors and numerous environmental groups currently scrambling to extend wind power subsidies, I
long assumed that wind turbines and solar cells offset
fossil fuel
use.
Let's make sure the focus remains on reducing
fossil fuel
use through near - term mass production — not on
long - term R&D that makes the perfect the enemy of the good and could be an excuse to postpone commercialization.»
I believed the share of the target that needed to be achieved from
fossil fuel
use could be achieved by nuclear power largely replacing coal for electricity generation and natural gas largely replacing petrol and diesel for land transport (including buses,
long haul transport and cars).
Yes, and that's where this thing ends up with a weirder problem courtesy of the same Ozone Action place where Gelbspan and their people simultaneously somehow «obtained» the documents which have
long been
used to accuse skeptic climate scientists of accepting
fossil fuel industry bribes in exchange for lying to the public about the certainty of catastrophic man - caused global warming.
Yet in many ways,
fossil fuels are even trickier to confront, because it has
long seemed that our very lives and prosperity depend on the continued
use of these sources of energy.
If the goal is to reduce
fossil fuel
use over a period of 50 - 100 years, then spending too much too soon is probably counter-productive in the
long run, and the best approach is slowly to introduce wind and solar and hydro and nuclear as the technologies are continually improved.
the 2007 Arctic sea - ice record low was a record low only for a 30 - year period, NOT unusual when looking at the
longer record that shows the decline really started in the 1860's, BEFORE widespread
fossil fuel
use.