Sentences with phrase «emissions rating»

A new study indicates that if current emission rates of greenhouse gases continue, leaves will begin to appear an average of 21 days earlier nationally by 2100 compared to recent trends.
A second depicts required improvements in emissions rates for the entire electricity sector.
If the impact of deforestation and other land - use changes is included, the total annual CO2 emission rate is equal to 6 - 8 billion tonnes of carbon.
Only several compounds showed a consistent decrease in emission rate over this period.
At the current emissions rate of more than 10 billion tons a year, we will burn through this «carbon budget» in just three decades.
Generally, the ratios of emission rates at the low and high ventilation rates decreased with decreasing compound volatility.
A country or province could take on an emissions cap in the forestry sector in which they would commit to a target emissions rate from forestry.
But how does one determine whether the high emission rates are plausible?
With emissions rates growing, sinks have grown so much that concentration growth is almost linear.
On the other hand, carbon taxes and the resulting relative rises in fossil fuel prices will induce reductions in carbon emission rates on the supply side.
According to government carbon dioxide emission rates for the region's electricity and fuel, these processes account for another 52 tons of CO2.
However, existing operational and technological efficiency measures could reduce emission rates by 25 - 75 %.
A plug - in hybrid also has a low emissions rating and will require up to 12 hours to charge at home.
If it becomes widely established, it could lead to an exponential decrease in greenhouse gas emission rates.
But the authors of the new paper also argue that keeping emission rates flat for 50 years is no longer compatible with keeping carbon dioxide levels below 500 parts per million.
They estimated emission rates for the winter months, during most of which no methane was released because the soil was frozen.
Then, the agency would set a target emission rate for each state for 2020, based on the state's baseline share of coal and gas generation.
He needs to educate himself on climate and possible future emission rates to even have a basis for an answer.
New results challenge the existing paradigm that late model diesel cars are associated, in general, with far higher PM emission rates.
The researchers measured emissions rates of 34 grams of methane per second — 100 to 1,000 times greater than those estimates.
The dataset was bound to show a wide range of emission rates given regional differences in regulations and other factors, he said.
He had been surprised to find that man - made emission rates were very similar to those occurring in nature.
Finally, the emissions standard for each state would be a cumulative, overall emission rate average of all fossil fuel plants in the state.
And yet, despite accelerating emission rates and concentrations, there's been no net warming in the 21st century.
In fact, several hybrid boats are already on the market, boasting emission ratings well below the new standards.
«At current emission rates models suggest that all coral reefs and polar ecosystems will be severely affected by 2050 or potentially even earlier,» they wrote.
Also, you might try actually addressing the examples I cited which clearly show that countries leading the charge on RE have experienced decades - long declining emissions rates.
This standard involves certification of offsets from CO2 reductions created by projects whose emissions rate is lower than a predetermined benchmark rate — the performance standard.
Lower natural gas prices have affected electricity prices and emissions rates differently across various regions.
The comparison to modern emission rates is then straightforward.
One scenario describes regulations requiring emissions rate improvements at coal - fired power plants.
At least some of the regional differences in emission rates can be attributed to the difference in controller type (continuous vent vs. intermittent vent) among regions.
That is not much more than a decade's worth at current emissions rates.
And carbon emission rates are far higher than anything seen in the past, suggesting greater rates of persistent climate change to follow.
The power of a laser depends on the gain of the material it is made of, and this gain is proportional to the radiative emission rate.
Because human carbon dioxide emissions exceed removal rates through natural carbon «sinks,» keeping emission rates the same will not lead to stabilization of carbon dioxide.
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