The World Metrology Day (WMD) is observed every year on May 20 to mark the signing of the Metre Convention on May 20, 1875. The Convention set the framework for global collaboration in the science of measurement and in its industrial, commercial and societal application. The 2017 theme is “MeasurementsContinue Reading
Primary pollutants are directly emitted from the sources. Examples of primary pollutants are carbon monoxide, carbon dioxide, sulphur dioxide and benzene etc. Secondary pollutants are not emitted directly. They are formed from the combination of primary pollutants with some other compound. Examples of secondary pollutants are Ozone, Formaldehyde, PAN (peroxyContinue Reading
Geologists Claimed Hawaiian Islands Would Extinct From Maps in 1.5 M Years Geologists claimed that the Hawaiian Islands which are situated in North Pacific are dissolving rapidly from inside and sometime in the near future they might completely extinct from the maps
As an effort to reduce the emission of green houses gases and make development sustainable, Puri’s famous Jagannath Temple will soon turn green with a Kolkatta-based solar module-making firm Vikram Solar installing a 30kW solar power facility on its premises. The project is part of the initiative of Odisha RenewableContinue Reading
On December 11, 2011, UN climate negotiators, who had gathered in Durban, South Africa, struck a compromise deal on a roadmap for an accord that will, for the first time, legally force all major carbon emitters to cut greenhouse gas emissions, ending days of wrangling between India and the EUContinue Reading
Q : World Wildlife Fund was founded in : Answer: 1961 Q: World Oceans Day falls on : Answer: June 8 Q : Who wrote the autobiographical book, My Life : My Trees ? Answer: Richard St. Barbe Baker Q : Which is the world’s largest private international nature conservationContinue Reading
18th September 2010 – today celebrates as World Bamboo Day World Bamboo Day is a day of celebration to increase the awareness of bamboo globally. Where bamboo grows naturally, bamboo has been a daily element, but its utilization has not always been sustainable due to exploitation. The World Bamboo OrganizationContinue Reading
World Meteorological Organization (WMO). This Bureau operates a network of ozone monitoring stations, where the total amount of ozone above the station (the total column ozone) is monitored each day. The total column ozone is measured with an instrument called a Dobson spectrophotometer, compares the amount of sunlight at twoContinue Reading
Ozone is the major absorber of UVB (Ultraviolet radiation in the wavelength range 280-320 nanometres) in sunlight, absorbing approximately 90% of it. Many experimental studies of plants and animals, and clinical studies of humans have shown the harmful effect of excessive exposure to UVB radiation.
About 90% of ozone is concentrated between 15 and 30 kilometres above the earth’s surface (stratospheric ozone). It is also found at ground level in lower concentrations where it is a key component of smog over major cities (tropospheric ozone).
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