The Industrial Revolution in Europe first saw the beginning of air pollution, which gradually became a major global problem.
The major air-polluting industries are iron, steel and, cement.
Of the 35-40 million tonnes of flyash generated annually by thermal power plants in India, only 2-3 percent is productively utilized.
The worst industrial disaster in India, occurred in 1984 in Bhopal the capital of Madhya Pradesh. A deadly chemical, methly isocyanate leaked out of the Union Carbide factory killing more than 2500 and leaving thousands sick. In fact the effects of this gas tragedy is being felt even today.
Every year some 50million cars are added to the world’s roads. Car making is now the largest manufacturing industry in the world.
In India the number of motorized vehicles have increased from 0.2 million in 1947 to 36.3 million in 1997.
The number of registered vehicles in Delhi is more than the sum total of registered vehicles in Mumbai, Calcutta, and Chennai.
Major contributor to Delhi's air pollution are vehicles.
Nearly three-fourths of India's population, which is rural, bears 84% of the burden of exposure to air pollution.
Growing population, poverty, and inadequate access to clean fuels in rural areas have perpetuated the use of biomass, thereby condemning more than 90% of rural households and more than 35% of urban hoseholds to high levels of indoor air pollution.
One of the most important measure to counter pollution is planting trees. With neem and peepal being the largest emitters of oxygen, planting them in the gardens purifies the surrounding air and helps in maintaining hygienic conditions. While champa, mogra and chameli have better chances of surviving pollution in summer, bulbous varieties do better in winter.
Flash the color orange in front of a zebra and it will not be able to see it. So, be careful not to paint a wall orange where zebras wander!
In one square foot or forest space you will find more insects than you can find human beings in that much space in Manhattan.
You can lead a cow up the stairs, but not down the stairs.
The dumbest dog is the Afghan hound.
The smartest breeds of dogs are the Jack Russell Terrier and Scottish Border collie.
A rat can survive longer than a camel without water.
A giant squid’s eyes are the largest amongst animal species measuring upto 40 cm (16 inches) in diameter.
Sharks are very healthy, as they are immune to all known diseases.
How many types of pure breed dogs are there in the world? 701
According to records, there are more dogs in Paris than there are people.
Some bird species (mainly the flightless birds) only have a lower eyelid.
Insects and fish have no eyelids. Hardened lens protect their eyes.
The spine-tailed swift is the fastest bird, flying at the speed of 170 km/h.
The Frigate is the second fastest bird, flying at a maximum speed of 150 km/h.
Squirrels accidentally plant millions of trees, as they bury their nuts and forget where they are.
Australia has a population of 17 million people and 150 million sheep.
The population of New Zealand is 4 million people and 70 million sheep.