Let's take a tour of different types of houses around the world.

• Cave Homes (Matmata, Tunisia)
• Rondavels/Round Homes (Lesotho, South Africa)
• Yurts (Kyrgyzstan, Central Asia)
• Underground Houses (Coober Pedy, Australia)
• Igloos (Baffin Island, Canada)

The Indian cropping season is classified into two main seasons-(i) Kharif and (ii)Rabi based on the monsoon. The kharif cropping season is from July –October during the south-west monsoon and the Rabi cropping season is from October-March (winter). The crops grown between March and June are summercrops.

Chlorophyll is a chemical found in the chloroplasts of plants that allows the plant to absorb light. Energy from the light is used in photosynthesis to make glucose. This contains lots of stored energy which the plant needs to release. It does this through respiration. This energy is then used for lots of different things like growing or repairing damaged parts of the plant. Chlorophyll is also what gives the stem and leaf of the plant its green color.

A tropical rainforest climate, also known as an equatorial climate, is a tropical climate usually (but not always) found along the equator. Regions with this climate typically feature tropical rainforests, and it is designated Af by the Köppen climate classification.

Deforestation can have a negative impact on the environment. The most dramatic impact is a loss of habitat for millions of species. Eighty percent of Earth's land animals and plants live in forests, and many cannot survive the deforestation that destroys their homes. Deforestation also drives climate change.

These are 5 simple habits to implement in your everyday life which will make a difference. There is nothing new here but if you follow at least some of these tips, you can be proud of yourself participating in the protection of the environment.

1. Use compact fluorescent light bulbs: 
   It is true that these bulbs are more expensive, but they last much longer and they can save energy and in the long term your electricity bill would be reduced.
2. Donate:
   You have tons of clothes or things you want to get rid of. If they are still usable, give them to someone who needs them. You may also choose to give them to associations. These associations may sell them and collect a little money. Not only will you protect the environment, but you will also contribute to a good cause.
3. Turn off your devices: 
   When you do not use a house device, turn it off. For example, if you don't watch TV, turn it off. Turn off the light when you leave a room (even if you intend to return.) It's an easy habit to take up which will help you save a lot of money.
4. Walk or cycle: 
   Driving is one of the biggest causes of pollution. If you want to use your car, ask yourself the following question: do I really need my car? Walk or use your bike if the journey is a short one.
5. Detergent:
   Follow the recommended dose of detergent to wash your clothes or dishes.

Junko Tabei

Cold deserts are deserts that experience low temperatures and long winters. They occur in the Arctic, the Antarctic and Greenland, as well as above the tree lines of mountain ranges. Average temperatures range from 28 to 39 degrees Fahrenheit in winter and 70 to 79 degrees in summer.

Petroleum (also known as crude oil or simply oil) is a fossil fuel that was formedfrom the remains of ancient marine organisms. Millions of years ago, algae and plants lived in shallow seas. After dying and sinking to the seafloor, the organic material mixed with other sediments and was buried.