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I am an honours graduate (BSc. Hons. Strath-Glasgow) coupled with an MBA-ICG (Paris) , experienced, Metallurgist - Materials Scientist and Engineer & Manager turned Consultant & Blogger. I specialised in Superalloys (aero-engine_Seminal Work peer reviewed & published IOM3_MST, Feb.1985, the 2nd issue of this now well known journal dedicated to the fundamental aspects in our multidisciplinary subject area ) My experience over a wide range of Special Alloys is extensive. (Cryogenic,Controlled Expansion-Dilatometric,Magnetic, Corrosion Resistant Grades and finally HSLA-Aircraft Undercarriage. (Great Stuff-I was lucky) My responibilities were especially in Melting & Refining to 1st Forming stage. Responsibilities include QC,QA & Accounting, Melt/Remelt Process  & Products, R&D.  Bilingual English-French. 
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Friday, 6 November 2015

Renewables key in race against climate change clock by Phys.Org's M.Hood.

"Any plausible game plan for capping the rise of Earth's surface temperature depends on replacing fossil fuels with energy sources that generate little or no carbon pollution." writes Marlowe Hood in Phys Org November 1, 2015.

India's commitment on RHS-->>
so please read on...
Hood quoting reliable sources continues:
"That means renewables, especially solar and wind, both of which face fewer constraints to growth than more established : a river can be dammed only so many times, and nuclear remains expensive and controversial.
But humanity has dithered for so long in the fight against global warming, experts say, that the window of opportunity for decarbonising the global economy fast enough to avoid devastating climate change is barely ajar.
"The cost and difficulty of mitigating greenhouse gases increases every year, time is of the essence," Maria van der Hoeven, executive director of the International Energy Agency, said in a special IEA report on  and  released earlier this year.
The world's nations -– gathering in Paris in a month to ink the first-ever universal climate pact—have set a target of limiting  to two degrees Celsius (3.6 degrees Fahrenheit) above pre-industrial levels.
Cross that red line, scientists say, and there will, almost literally, be hell to pay.
Science also tells us that, if we are to respect the 2 C limit, future greenhouse gas emissions cannot exceed a total "budget" of about 1,000 billion tonnes of carbon dioxide.
Carbon-cutting pledges from nearly 150 nations, unveiled on Friday, put us on track for a 3 C world.
This is a vast improvement on doing nothing. But even this unprecedented effort would use up three quarters of that carbon budget by 2030, leaving very little margin for closing the remaining gap. That's where the transition from  to renewables comes in
President Obama is quoted as follows "Energy production accounts for two-thirds of global , and thus transformation of this sector is crucial", he and other experts said.
"According to the UN climate science body, the Intergovernmental Panel on Climate Change (IPCC), low-carbon energy must account for at least 80 percent of global electricity production by 2050 to have a better-than-even chance of staying under the 2 C threshold".
Read more at: http://phys.org/news/2015-11-renewables-key-climate-clock.html#jCp

Renewables key in race against climate change clock: "Renewables key in race against climate change clock"

ENCOURAGEMENT  from SUMMAT LEVEL: US President Obama see image

US President Barack Obama speaks with Commander Col Ronald Jolly as he tours a solar array at Hill Air Force Base in Utah

"Decarbonising energy is probably the quickest way to decarbonise the world," Adnan Amin, director general of the International Renewable Energies Agency.

The good news is that renewables are expanding rapidly and attracting investment.
Nearly half of all new installed power generation capacity in 2014 was in renewables—37 percent wind, a third solar and a quarter hydro, according to the IEA.
Investment in the sector totalled more than a quarter of a trillion dollars in the same year, an 8.5 percent increase over 2013.

"Capital markets have already begun to shift away from dirty technology to clean technology," Christina Figueres, executive secretary of the UN Framework Convention on Climate Change, told journalists Friday in releasing an analysis of national emissions-reduction pledges.

But renewables only account for about 20 percent of global electricity generation, and three-quarters of that is hydro. Of total energy consumption -– overwhelmingly dominated by coal, oil and gas –- less than five percent comes from clean technology, excluding nuclear.
The transition towards a low-carbon economy is also hampered by fossil fuel subsidies totalling more than half-a-trillion dollars every year, four times the amount allocated for renewables.
Experts say, the Paris climate summit, which starts at the end of this month, is so crucial.
"COP21" -– the Paris climate summit -–STILL "needs to give a global and long-term signal to the world economy that is relevant to investors," said Martin Kaiser, a climate analyst from Greenpeace.

Read the full article in PhyOrg 

Read more on Phys Org

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