D-Sector for Development Community

   Thursday, September 19, 2019
Agriculture - Duties and Rights - Education - Environment - Food - Global - Governance - Health - Indian Economy - Indian Society - Physical Development - Social Welfare - Water and Sanitation
Print | Back
Global warming caused by humans: Study


desyrel online

A study conducted by Met Office of UK sheds light on the latest climate research which confirms that our planet is changing rapidly and man-made greenhouse gas emissions are very likely to be cause.

Long-term changes in our climate system have been observed across the globe, from shifts in rainfall patterns to a decline in Arctic sea-ice. The changes follow the pattern of expected climate change and bear the ‘fingerprint’ of human influence, providing the clearest evidence yet that human activity is impacting our climate.

The review studies developments in climate science since the last IPCC report (AR4) was published in 2007. Sophisticated ‘detection and attribution’ methods have been used to identify long-term changes in our climate and then consider:

  • whether they are being caused by natural variability — such as changes in energy from the sun, volcanic eruptions, or natural cycles such as El Nino?
  • and, if not, is there evidence that human activity could be to blame?

Conclusions show the climate system is changing in a number of ways which follow the pattern of climate change predicted by computer models. The only plausible explanation is that changes are happening as a result of human activity, including man-made greenhouse gas emissions.

Peter Stott, Head of Climate Monitoring and Attribution at the Met Office, said: “Recent advances in observational data and the way it is analysed give us a better insight into the climate system than ever before. This has allowed us to identify changes in our climate and disentangle natural variability from the results.

“The science reveals a consistent picture of global change that clearly bears the fingerprint of man-made greenhouse gas emissions. This shows the evidence of climate change has gone beyond temperature increases — it is now visible across our climate system and all regions of the planet. Our climate is changing now and it’s very likely human activity is to blame.”

There is also some evidence that changes in rainfall patterns could be happening faster than expected. More work is needed to understand why and whether this implies future changes in rainfall could be greater than models predict.

Some of the observed changes covered in the review of climate science.

  • Temperature increase — global temperatures have increased by about 0.75 °C over the past century and 2000-2009 was the warmest decade on record. Human influence has been detected on every continent.
  • Changes in rainfall patterns — wetter regions of the world (mid to high latitudes in the northern hemisphere and tropical regions) are generally getting increasing rainfall, and drier regions less rainfall.
  • Humidity — surface and satellite observations show moisture in the atmosphere has increased over the last 20-30 years. This increases the amount of water that can fall in extreme rainfall, posing flooding risks.
  • Warming oceans — temperature increases have been observed over the last 50 years in the Atlantic, Pacific and Indian Ocean basins. These cannot be attributed to changes in solar activity, volcanic eruptions or variations in ocean currents, such as El Niño.
  • Salinity — the Atlantic Ocean is becoming saltier in sub-tropical latitudes. This is because of increasing ocean evaporation due to increased temperatures. In the long-term, ocean regions at higher latitudes are expected to become less salty due to melting of glaciers, ice sheets and increased rainfall.
  • Sea-ice — summer minimum of Arctic sea-ice is declining at a rate of 600,000 km² per decade, an area approximately the size of Madagascar. While there has been variation from year to year, a long-term trend has been observed that can only be explained by human influences.
  • Antarctic — there has been a small increase in Antarctic sea ice extent since the satellite record began in 1978. This small change is consistent with the combined effects of greenhouse gas increases and reductions in the ozone layer which cause increases in some regions, such as the Ross Sea, and decreases in others, such as the Amundsen-Bellingshausen Sea.

Visit for more information: http://www.metoffice.gov.uk/corporate/pressoffice/2010/pr20100305.html

Write to d-sector  |  Editor's Note

 Other Articles by d-sector Team in
Environment Development  > Risks and Hazards > Global Warming and Climate Change

Number of environmental refugees on a high
Tuesday, February 22, 2011

'Climate change won’t force migration'
Friday, February 04, 2011

‘India could be warmer by 2 degrees by 2030’
Friday, November 19, 2010

Ramesh proposes regional cooperation to protect Himalayan glaciers
Tuesday, October 05, 2010

  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15     
 Other Articles in Environment Development
Corruption Watch

The bad news is that corruption has not only sustained but has grown in size and stature in the country. With scams being a regular feature, seventy per cent respondents in a survey have rightfully opined that corruption has continued to increase in India. One in every two interviewed admit having paid a bribe for availing public services during last one year. Transparency International's latest survey reveals that the political parties top the chart for the most corrupt public institutions, followed by police force and legislatures. No wonder, India continues to make new records on the global corruption arena!

The shocking revelation is that the health and education sectors haven't remained untouched by this phenomenon. With 5th and 6th positions respectively for these sectors on the public perception chart on corruption, corruption has crept insidiously into these sectors of hope for the masses. With bureaucracy being fourth in the list of corrupt institutions in the country, corruption seems to have been non-formally institutionalized with little hope if public services would ever be effective in the country. With economic growth having literally institutionalized corruption, are we now expecting corrupt to be socially responsible - a different CSR.

Poor. Who?

Not giving 'aid' to India is one thing but calling it 'rich' is quite another. If one in three of the world's malnourished children live in India, what does average daily income of $3 indicate? It perhaps means that there is a relative decline in poverty - people are 'less poor' than what they used to be in the past. But having crossed the World Bank arbitrary threshold of $2 a day does not absolve the 'developed' countries of their obligation to part with 0.7 per cent of their Gross National Income in development aid. Should this three-decade old figure not be revised?  

An interesting debate in UK's House of Commons delved on future of development assistance by the British Government. While prioritizing limited resources has been a concern, there has been no denying the fact that development aid must be guided towards tangible gains over a short period of time to start with. There are difficult choices for elected governments to make - should they invest in long-term primary education or in short-term university scholarships? Which of these will bring gains and trigger long-term transformation in the society. As politicians continue to be divided on the matter, poverty persists!!   

Lead View
People, Partition and the Pain
By Rina Mukherji
15 Aug 2013

Dr Jayanti Basu's book analyzes the complex feelings of hatred and longing for the homeland that have contributed to shaping the personalities of a generation of people who were forced to ..
Book Shelf

Yamuna Manifesto

A Journey in the Future of Water

Spoiling Tibet

On Western Terrorism
Devinder Sharma
Carmen Miranda
Pandurang Hegde
Sudhirendar Sharma
Member Login
- New Member
- Forgot Password

WoW Gold,Buy WoW Gold,Website Design,Web Design,Health Tips,Health Guides,NFL News,NFL Jerseys,Fashion Design,Home Design,Replica Handbags,Replica Bags,Jewelry Stores,Wedding Jewelry,WOW Gold,Cheap WoW Gold,Wedding Dresses,Evening Dresses,MMORPG Guides,MMORPG Tips,Fashion Jewelry,Fashion Crystal,Sexy Lingerie,Best Sexy Lingerie,Fashion Clothing,Fashion Shoes,Travel News,Travel Guides,Education News,Education Tips