Sentences with phrase «fossil fuel burning»

It shows a definite increase in the emission of carbon in the last 200 years of a 1000 year time span from fossil fuel burning by humans in the northern hemisphere.

The climate system already has some heating yet to be realized; it has not yet caught up with the effects of fossil fuel burning of past decades.

By adopting these technologies, states can also reduce greenhouse gas (GHG) emissions significantly, as fossil fuels burned for transportation represent the largest share of the region's GHG emissions.

About half of the CO2 that is released through fossil fuel burning or land use changes stays in the atmosphere.

This serious global risk is amplified by continued fossil fuel burning, and moderated by more rapid transitions to clean energy.

We can curb global warming by reducing fossil fuel burning.

I would expect to to see a further reduction of O2 as fossil fuel burning increases and the world loses more of its rain - forests.

Even when it's recycled it needs energy which means more fossil fuel burning.

They start when fossil fuel burning started to pick up — typically, mid 19th century or a little later.

It's also essential to protect families from the higher prices that limiting fossil fuel burning will inevitably cause.

Even though global energy demand is the same in either case, effectively we will need to produce less energy because less is wasted through inefficient fossil fuel burning.

If there is a second source, and that source is the cause of rising CO2 levels, then there must also be an explanation where the CO2 emissions of fossil fuel burning go.

Since we are trying to discourage fossil fuel burning and excessive air travel, it makes sense to transition slowly from these uses towards battery technology.

For perspective, about 10 billion tons of carbon is released annually to the atmosphere from combined fossil fuel burning and land use changes.

And certainly 40 years of open fossil fuel burning seems like no minor matter.

The CO2 is captured at the source from fossil fuel burning electrical generation facilities.

Any food wasted along the way represents fossil fuels burned, and carbon emitted, without any subsequent feeding of people.

Can carbon capture and storage be scaled up to the size necessary to capture a significant fraction of the world's greenhouse gas emissions from fossil fuel burning?

For example, a tax on fossil fuel burned would spur investment in cleaner energy technologies, such as renewables or nuclear power.

Is it possible to separate the effect of fossil fuel burning from a release of oceanic carbon on atmospheric carbon 13?

There really is very little, short of population control on a massive scale, that anyone can do to reduce fossil fuel burning.

And the more fossil fuels we burned, the more carbon pollution we put in the atmosphere.

Our activities, such as fossil fuel burning and deforestation, are pushing the cycle out of its natural balance, adding more and more carbon dioxide to the atmosphere.

Many lines of evidence, including simple accounting, demonstrate beyond a shadow of a doubt that the increase in atmospheric CO2 is due to human fossil fuel burning.

The world is warming due to the release of CO2 by fossil fuel burning This will change the climate unless we reduce CO2 emissions.

Add in the aerosol reduction which would result from stopping fossil fuel burning, and we're awfully close to the 2C «grabbing a tree branch as you go off the cliff» guardrail.

On one dimension are the scope and extent of our use of the planet's resources and ecosystems — for instance, the area of land used for agriculture, industry, and housing, or the amount of fossil fuels burned for energy — and on the other dimension are the intensity and efficiency of that exploitation.

That means the atmosphere in 2100 would hold an extra 4 1/2 years» worth of carbon dioxide emissions from fossil fuel burning at current rates,...

Because oxygen is critical to many forms of life and geochemical processes, numerous models and indirect proxies for the oxygen content in the atmosphere have been developed over the years, but there was no consensus on whether oxygen concentrations were rising, falling or flat during the past million years (and before fossil fuel burning).

Aerosol forcings are substantially a result of fossil fuel burning [1], [76], but the net aerosol forcing is a sensitive function of various aerosol sources [76].