In connection with levels of destruction and irreversible transformation, section III B of the general technical guidelines provides a provisional definition which refers to the persistent organic pollutant content of solid residues and the maximum acceptable atmospheric emissions of PCDDs and PCDFs from disposal operations, as well as examples of national legislation pertinent to atmospheric emissions and aqueous releases.

However, forestry measures alone are not sufficient to halt the increase in atmospheric concentrations of carbon dioxide, although they can complement efforts by reducing carbon emissions.

Moreover, energy use has grown 16 fold during the twentieth century, causing 160 million tons of atmospheric sulfur dioxide emissions per year more than twice the total of natural emissions. Likewise, more nitrogen fertilizer is applied in agriculture than is fixed naturally in all terrestrial ecosystems, and nitric oxide production from the burning of fossil fuels and biomass also surpasses natural emissions.

Since the proposition of emissions trading by American economist Dyers in 1968, it has been applied by the United States of America to the management of atmospheric and river pollution sources since the 1970s.

The atmospheric pressure of the Mars is very low, only 1 of the Earth's surface atmospheric pressure, with high uncertainty.

Venus' atmospheric pressure is very high.

The atmospheric science community has made great progress in advancing and coordinating these complex observational networks and in applying them to study air pollution transport, map and assess pollutant emissions, develop air quality forecasting systems and support international policy formulation.

Decarbonizing the world s energy system requires preventing our production of vast and growing amounts of electricity from boosting atmospheric CO2 emissions. It also presupposes a switchover to a zero carbon transport fleet and a lot more production per kilowatt hour of energy.

These metal layers, formed through meteoric ablation, appear to be sensitive to global atmospheric changes related to changing levels of atmospheric carbon dioxide and methane.

Emissions and natural processes that increase atmospheric carbon are known as flows. Mitigation attempts to reduce these flows and thus reduce the rate of increase of the stock of carbon in the atmosphere, with the ultimate goal of stabilizing or reducing it to safe levels.

But this has become an extremely tough challenge, as growth in greenhouse gas emissions and atmospheric stocks accelerated in the years since Rio. That is why Copenhagen is so important it may well be our last to address climate change before it addresses us.

It's in NOAA, the National Oceanic and Atmospheric Administration.

It has repeatedly sought assurances that atmospheric tests will end.

The pressurized module will provide an environment of one atmospheric pressure.

This data will correct current models that over predict atmospheric moisture.

It has a very short atmospheric lifespan of 11 14 days.

Agricultural soils are currently a net source of atmospheric carbon dioxide.

Even if greenhouse gas emissions were to be stabilized at present levels, the global warming trend and sea level rise would continue for hundreds of years, due to the atmospheric lifetime of some greenhouse gases and the long timescales on which the deep ocean adjusts to climate change.

Emissions

These other emissions are estimated based on the estimated percentage of these emissions relative to total emissions at previous meetings.

(e) Improved limb atmospheric spectrometer (ILAS) by the Environment Agency of Japan

Another atmospheric and environmental concern in recent years has been global warming.

They are both two branches of the same field of atmospheric science.

They are both two branches of the same field of atmospheric science.

The concern of the Australian Government is to exclude completely atmospheric testing.

The research programme of the Institute includes research in magnetospheric and atmospheric physics.

And because it's so much stuff, it's really important for the atmospheric system.

And because it's so much stuff, it's really important for the atmospheric system.

I'm a PhD student at MIT, and I happen to study atmospheric science.

Some countries reported on the fertilization effect of increased atmospheric concentration of CO2.

We are now learning how those environmental impacts are aggravated by atmospheric pollution, acid precipitation and atmospheric concentration of greenhouse gases and why global climate change may pose the most serious threat of them all.

Emissions offset in voluntary markets for emissions reductions that are not compliant with the Kyoto Protocol.

Atmospheric observation and lunar and interplanetary exploration have become the basis for the environmental sciences.

Now, even lower emissions!

It's about energy emissions.

The Particle Emissions Dilemma

And they go in the wrong direction in recent years, the sun has been at its dimmest since satellite measurements began in the 1970 s. So, when unprecedented extreme weather events occur, the prime suspect is naturally the biggest atmospheric change that has happened over the past hundred years one that has been caused by human emissions.

The WMO Global Atmosphere Watch programme recently developed a proposal for an Integrated Global Atmospheric Chemistry Observation System to ensure more accurate and comprehensive global observations of key atmospheric gases and aerosols and to make such observations accessible to users.

The quiet atmospheric conditions at South Pole have allowed PYTHON to make measurements of unprecedented sensitivity.

Such models can help interpret such varied phenomena as atmospheric turbulence, human population dynamics, and superconductivity.

Because it's important to the atmospheric system, we go to all lengths to study this thing.

Atmospheric explosions, or full combustion, takes about 15,000 times longer than what happens in your car.

Because it's important to the atmospheric system, we go to all lengths to study this thing.

Atmospheric explosions, or full combustion, takes about 15,000 times longer than what happens in your car.

For example, CH4 and N2O emissions from fuel combustion activities could be calculated from CO2 emissions, if available.