San Francisco Dec 7, 2016: Reduction of environmental pollution is a major concern of the entire world today. In an effort to do so, Google has taken a major step in its quest to reduce pollution caused by its digital services that devour massive amounts of electricity.
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In the beginning of next year, Google is aiming to secure enough renewable energy to meet all of its electricity needs throughout the world.
The initiative is of enormous significance since the internet company has the ravenous appetite for electricity to power its offices and the huge data centres that process requests on its dominant search engine, store Gmail, YouTube video clips and photos for more than a billion people.
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According to PTI, nearly 13 data centres and offices of Google consume about 5.7 terawatts of electricity annually, which is nearly the same amount as that of entire San Francisco, where more than 800,000 people live and tens of thousands of others come to work and visit.
Although, this is not an easy task and cannot be accomplished any sooner relying solely on the wind, and solar power for its operations. The complicated way of arrangements of power grids and regulations around the US and rest of the world makes it quite difficult.
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Google instead believes it is now in a position to offset every megawatt hour of electricity supplied by a power plant running on fossil fuels with renewable energy that the Mountain View, California, company has purchased through a variety of contracts.
About 95 percent of Google’s renewable energy deals come from wind power farms, with the remainder from solar power.
Gary Cook, senior energy campaigner for the environmental group Greenpeace said nearly 20 other technology companies also have pledged to secure enough renewable energy to power their worldwide operations.
– prepared by Saptaparni Goon of NewsGram with PTI inputs. Twitter: @saptaparni_goon
Some of the world’s largest airlines have yet to set long-term targets to reduce their climate-changing emissions, climate and economic researchers warned Tuesday.
Top publicly listed airlines have cut their “emissions intensity” — how much pollution they produce for the same amount of activity — significantly in recent years, said researchers from the London School of Economics’ Grantham Research Institute.
But they are not making clear plans for the much larger emissions reductions needed to meet internationally agreed climate goals, the researchers said.
Beyond 2020 and particularly in the long-term “the targets these airlines have set to reduce their emissions are not clearly consistent with the Paris Agreement goals,” said Simon Dietz, co-author of a study released Tuesday.
The Paris goals, agreed by world governments in 2015, call for keeping global temperature rise to “well below” 2 degrees Celsius and ideally to 1.5C above pre-industrial times.
The study, which looked at 20 of the world’s largest publicly listed airlines, noted that air travel currently accounts for about 2 percent of global carbon dioxide emissions, and 12 percent of transport-related emissions.
Cutting those emissions — and emissions from shipping — is particularly challenging because their mobile nature makes it harder for companies to use clean energy sources such as solar or wind power.
Alternative fuels, such as hydrogen, may offer long-term solutions but are still being developed.
The study, backed by investor groups, analyzed the public disclosures of airlines as a way of assessing their performance on combatting climate change, Dietz said.
The airlines were evaluated based on their carbon management practices and emissions performance. Airlines with lower emissions often had younger fleets, more passengers per flight and a focus on longer versus shorter flights, Dietz said.
Helen Vines Fiestas, the deputy global head of sustainability at BNP Paribas Asset Management, said the report raises key questions about what the aviation industry is prepared to do to contribute to climate change action in the long run.
Airlines, she said, should join forces and look at airline-related emissions as a joint problem, “asking how are we going to go about it” in making emissions reductions, she said.
But “this is just not what we are seeing, and this is what really worries us,” she said.
Many airlines have adopted industry targets to reduce net emissions, usually through “carbon offsetting,” which can include things like paying to plant carbon-absorbing forests or build clean energy systems elsewhere to compensate for airline emissions, Dietz said.
Delta Airlines, for instance — rated in the study as one of the most active airlines on addressing climate issues — has committed to capping carbon emissions at 2012 levels, in part by purchasing offsets, according to Catherine Simmons, a spokeswoman for Delta.
Its website lets customers estimate their emissions and contribute to a range of carbon offset programs to compensate for them.
The airline between 2016 and 2020 also is replacing 30 percent of its main fleet with aircraft 15 to 25 percent more fuel-efficient, Simmons said, and its fleet has seen a 9 percent increase in fuel efficiency since 2009.
The airline industry more broadly has set goals that include capping aviation’s net emissions at 2020 levels, and halving net emissions by 2050 from 2005 levels, Dietz said.
But that approach is not necessarily the most effective, he said, because reducing “net emissions” can be done through offsets rather than actual aviation emissions reductions.
“If you look at modeling by organizations like the International Energy Agency, it clearly shows that in the long run, the airline sector needs to reduce its own emissions,” he said. “We’re calling on airlines to make commitments that clearly show what they are going to achieve.” (VOA)