Sentences with phrase «release of greenhouse gases»

And they are simply unsure what conditions might cause a repeat or whether the rapid human release of greenhouse gases is among them.

Studies have shown that releases of greenhouse gases in recent years have played a big role helping to warm the planet.

Poor land use practices can and have caused massive releases of greenhouse gases (GHGs) from carbon stocks.

And governments have been slow to enact laws to limit releases of greenhouse gases.

We know that in the past there have been sudden changes in global warming associated with releases of greenhouse gases.

For example, there could be greater release of greenhouse gases to the atmosphere if microorganisms convert carbon to carbon dioxide more rapidly.

A recent study suggests the result is likely to be a gradual release of greenhouse gases over many decades, rather than an abrupt pulse.

But it is still unclear how much of this warming and extreme weather is attributable to our accelerated release of greenhouse gases, and how much too natural causes.

It highlights human release of greenhouse gases and warns that failure to act would have «grave consequences».

We know that in the past there have been sudden changes in global warming associated with releases of greenhouse gases.

Global Warming is being caused by both the human release of greenhouse gases from the burning of fossil fuels (oil, coal) and a natural warming cycle the Earth is going through

Climate scientists have painted a pretty grim outlook for our planet in the wake of an unabated release of greenhouse gases into the atmosphere — from rising sea levels and increasing weather disasters, to resource shortages and mass extinctions — but there's one side effect of global warming sure to make you go «aww».

The change is caused by realization that «slow» feedback processes, such as ice melt and release of greenhouse gases by the soil and ocean in a warming climate, can occur on the time scale of decades and centuries.

Making ethanol from corn reduces atmospheric releases of the greenhouse gas carbon dioxide because the CO2 emitted when the ethanol burns is «canceled out» by the carbon dioxide taken in by the next crop of growing plants, which use it in photosynthesis.

Spectacular sinkhole, appeared as out of nowhere in the permafrost of the area, sparking the speculations of significant release of greenhouse gas methane into the atmosphere.

The impacts of climate change are already being observed in a variety of sectors and there is greater clarity that these changes are being caused by human activities, mainly through release of greenhouse gases.

Bouchard detailed the well documented environmental problems associated with oil sands development: Destruction of the boreal forest ecosystem; potential damage to the Athabasca watershed; increased release of greenhouse gases; carbon intensity of oil sands production; the creation of toxic tailing ponds.

Finds that current evidence suggests a gradual and prolonged release of greenhouse gas emissions in a warming climate and present a research strategy with which to target poorly understood aspects of permafrost carbon dynamics

Ten years ago this week, Senator James M. Inhofe, the Republican from Oklahoma, used a two - hour floor speech to launch his campaign on the credibility of climate science pointing to dangers from the unabated release of greenhouse gases.

Papers look into the extent of permafrost on the ocean floor and how it is connected to the significant release of the greenhouse gas methane.

That is no comfort to fracking opponents such as the Natural Resources Defense Council, who fear for everything from surface and groundwater contamination to the unintentional release of greenhouse gases.

Opponents argue that it would lead to higher releases of greenhouse gases.

In advance of President Obama's speech Tuesday afternoon laying out his three - pronged plan to cut releases of greenhouse gases and the impacts of global warming, White House officials circulated detailed fact sheets and discussed the plans with journalists, including me, last night.

He outlined the vulnerable nature of the West Antarctic ice sheet and warnedthat the rapid human - driven release of greenhouse gases posed «a threat of disaster.»

GWP is calculated in terms of the CO2 equivalent releases of greenhouses gases per product.

Past interglacial warming were triggered by sharp spikes in solar irradiation associated with the Earth's position relative to the sun (Milankovic cycles), with consequent feedback release of greenhouse gas (CO2, CH4) from the oceans and the biosphere, resulting in atmospheric infrared radiation effects and in melting of ice sheets, which amplify global warming.

First, most climate simulations, including ours above and those of IPCC [1], do not include slow feedbacks such as reduction of ice sheet size with global warming or release of greenhouse gases from thawing tundra.

«The biofuels researcher Timothy Searchinger has calculated that once the massive release of greenhouse gases cause by converting grassland and rainforest into cropland is taken into account, introduction of biofuels produces increases in greenhouse emissions, the size of the rise being as much as a doubling for corn ethanol production,» Montford tells us.

Whereas the greenhouse effect is a naturally occurring process, its enhancement due to increased release of greenhouse gases (CO2 and other gases, such as methane and ozone) is called global warming.

Global Warming is being caused by both the human release of greenhouse gases from the burning of fossil fuels (oil, coal) and a natural warming cycle the Earth is going through As the global temperature begins to rise many changes will occur to climates around the world Complete the global warming simulation on the class webpage.

Green groups oppose the project on the basis that pipeline expansion encourages the extraction of more oil and the release of the greenhouse gases that cause climate change.

I stand behind the Rainforest Alliance's mission to curb the release of greenhouse gases by reducing worldwide deforestation and advancing innovative carbon projects all over the world

Both regulatory initiatives are designed to slow the release of greenhouse gases that contribute to global warming.

Researchers participating in related ABoVE projects will determine how much carbon is stored in Alaska's interior forests, measure rates of thawing permafrost and release of greenhouse gases, study the effects of wildfire and evaluate the socio - ecological impacts of these changes.

Soil carbon decomposition, which is temperature sensitive, is a potentially important source of greenhouse gases, which could create a positive feedback to global climate change through the release of greenhouse gases from decomposing organic matter.

What it means: Carbon cap - and - trade programs, which are popping up across the globe, limit the release of greenhouse gases and tax companies that release them.

However, the cooling achieved by ocean whitening is modest and appears unable to do very much to maintain permafrost and prevent the release of the greenhouse gas methane.

The grasses then insulate the permafrost from melting during summer months — further preventing the release of greenhouse gases.

That fact, coupled with significantly warmer summers, accelerates the melting of the permafrost and the release of greenhouse gases that have been trapped for millennia.

The ocean is changing as a result of human activities, including fisheries, pollution, smoking (that's why we encourage people to use e-cigs) and the release of greenhouse gases, such as carbon dioxide (CO2).

Few scientists doubt that the Earth is undergoing climate change and that the release of greenhouse gasses is at least one of the contributing factors.

According to The Vegan Society, environmental concerns, such as the release of greenhouse gases produced from raising livestock, motivates others to adopt a vegetarian diet.

In the ongoing series Carbon Copies, I link the production of artworks to the release of greenhouse gases, calculating and sculpting the invisible carbon footprints of recent well - known artworks.»