Sentences with phrase «scale coal burning»

Our GHG stabilisation targets are also based on risks assessed on a more benign history than the future will likely be — unless we push much harder targets for renewable energy penetration, and demand the absolute reduction of large scale coal burning.

Findings of thousands of scientists have determined that the biggest driver of warming of the planet and the resulting climate change is industrial - scale coal burning.

Not exact matches

But despite some commercial demonstrations of such carbon sequestration technology, largely to help recover more oil from depleted fields, none have approached anywhere near the scale necessary to significantly impact the 9.3 billion metric tons of CO2 — and rising — emitted every year from burning coal.

Globally, the largest sources include emissions from small - scale and artisanal gold mining and coal - burning power plants.

Industrial processes such as small - scale gold mining and coal burning emit mercury into the atmosphere.

But to give you a sense of the challenge, here are his estimates of the scale of the challenge: six billion metric tons of coal burned every year, producing 18 billion metric tons of carbon dioxide and requiring an underground storage volume of 30,000 cubic kilometers per year with untold consequences on subsurface pressure, mineral composition and the like.

«Small - scale gold mining contributes to one third of the mercury released into the environment today,» says physicist Stephan Robinson of Green Cross Switzerland — Blacksmith's partner in the research and ranking — or nearly as much as coal burning by power plants.

If current coal reserves are burned on a time scale short compared to time scales for carbon storage, then CO2 concentrations will go over 400 ppm rather easily.

These planet - scale projects all address the same great challenge: countering the impacts of burning large amounts of coal, oil and other fossil fuels.

But, again, scientists and energy experts see an enormous gap between the scale and timetable of such plans and the real - world, real - time expansion of coal burning.

40:00 He provides a reality check, using simple calculations, on whether carbon dioxide from coal burning can be captured at a scale remotely applicable to the climate challenge.

The central challenge is that the world's powers, both the established ones and the emerging giants, China and India, face ballooning energy appetites, a finite atmosphere, and no menu of affordable energy sources — yet — that can substitute on a large scale for burning coal and oil.

Will such initiatives include quick agreement, for instance, on new large - scale demonstration projects for capturing carbon dioxide from coal - burning power plants and stashing it in the earth?

> very few mechanisms in nature can drill for oil or mine coal Or burn off vegetation on the scale of continents.

They might not make accurate estimates of economies of scale of solar and wind collection devices in the SimCity computer model, or fully account for incidental costs of burning coal.

The piece effectively, if depressingly, reveals why all of the options for slowing or stopping the buildup of this long - lived greenhouse gas will be nearly impossible to deploy at a scale relevant to the climate challenge as long as conventional burning of abundant carbon - rich fuels — particularly coal — is the cheapest energy source.

And if you need to scale back from earlier follies and burn lots more fossil fuels, even brown coal, while doubling up on green preaching, Angela Merkel has the expertise there.

We had long been working to reveal and oppose large scale industrial and commercial scale bioenergy in various forms ranging from ethanol refineries to soy and palm oil biodiesel to coal plants converting over to burn wood.

More likely is collapse of the petroleum infrastructure which will also take down coal - burning on the present scale along with most other large - scale activity.

Robert F. Kennedy, Jr., Al Gore and other big thinkers say cleaner burning natural gas is a bridge from the harms of coal to mid-century, when the cost and scale of renewables will be adequate to meet demand.

Everything has to be on a grand scale: damming rivers for hydro - electric; providing wide spread solar cooking pots which require 4 hours a day of direct overhead sunlight for the family bean meal; or an improved stove to burn dung less repugnantly; or... Whatever the «no coal fired electric generation» crowd can conceive.

China may in fact be able to develop shale gas on a big scale and that means they burn a lot less coal.

Coal burning in China «produces heavy metal pollution and produces particulate pollution on a scale that is getting quite extraordinary,» she said.

At that time, an initiation of large - scale burning of oil, gas and coal dumped heavy volumes of greenhouse gasses into the atmosphere.

Burning Coal, Burning Cash shows the scale of this annual drain on state economies, and suggests how they can keep more of those funds in - state through investments in energy efficiency and homegrown renewable energy.

Another area requiring immediate intensified work, Dr. Holdren and other experts say, is large - scale demonstration of systems for capturing carbon dioxide from coal burning before too many old - style plants are built.

Since the Industrial Revolution, however, we have been burning fossil fuels like coal and oil on an unprecedented scale.

First, the carbon dioxide in the atmosphere has increased about 40 percent since humans started burning dirty energy like coal and oil on a wide scale.

Coal burning is often a lot dirtier than diesels and on a lot bigger scale.

The original suggested onset was the end of the eighteenth century, when the European industrial revolution's large - scale coal - burning triggered rising concentrations of carbon dioxide in the atmosphere.

You would need to produce a dry mass of algae on the same scale of the mass of coal that was burned.

Though it's certainly true that hydropower is a better option than profligate burning of coal for China, surely there are more eco-friendly ways to tap into China's world - leading hydropower resources than continued building of large - scale dams.