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Environment

Environment-Friendly Tote Bags – A Reality

Reusable bags have been the trend for quite some time now, and the big fans of these bags are Americans. While the world has slowly started getting rid of the disposable bags which are dangerous, Tote bags claims to be environment-friendly. Many municipalities have restricted the use of plastic bags to avoid waste. Many shops offer plastic bags either for free by charging a small amount of cash. Recycling of bags has been initiated nationwide.

It is a fact that canvas bags might also be worse than plastic as during a study researchers found that the expenditure incurred for various bags such as plastic and paper is the same used for making canvas bags. HDPE or the high-density polyethylene has got the smallest impact while cotton tote bags have got the highest impact on the environment.
HDPE bags may seem artificial however they produce very less carbon and by-products than any other cotton or paper bags.

As per studies, the expenditure for HDPE bag is less than almost two kilos of carbon wherein Tote bags need 26 and tote cotton bags need 327 uses. Since they are abundantly available, people believe it as disposable which is against its purpose. Many shops give Tote bags as gifts to the people which are the main reason of the high usage of this bag. This type of disaster causes more harm than help.

A study showed that the designers have a huge role in making tote bags famous as people get attracted towards big printed bags. There were only limited supplies of Tote bags once. However, when it was released all over, millions of people were lined up to buy this bag. In many countries, this bag has created so many crowds that sometimes the help of the police was taken to control the crowd.

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Science

This Planet Surface Has Water But Can It Hold Life?

Proxima Centauri is closest to the earth and scientists have evidence of a plant near the star’s habitat. It lies with the orbit’s range where water could exist on the surface. Hundreds of similar planets have been spotted by researches and all these have shown the potential to host life. But Proxima Centauri is the reason for all the buzz because it lies in close proximity to earth with a distance of about 4.25 light years. It can be seen within the range of telescopes. Moreover, it is easier to learn about the composition when compared to other exoplanet found till date.

There were many unauthorized news circulating on the discovery of the planet discovered using the radial velocity method. Many groups are constantly hinting a planet around Proxima Centauri but there is nothing concrete. Meanwhile the High Accuracy Radial Velocity Planet Searcher (HARPS) observes the start for about 2 months in a row for 20 minutes. The latest data informs that the planet looks 1.3 times the size of earth moving in orbits approximately every 11.2 days. This only goes to prove rocky planets are seen around all types of stars.

In the case of Proxima Centauri, it is just 1/8th the sun’s mass and burns less brightly. Moreover, the energy hitting star is just 65% of what earth receives from the sun. This goes to prove that water could easily exist if the planet has a means to trap heat. The planet may not be particularly capable of supporting life. The planet is tidally locked, showing only the same face every time to the star causing permanent night and day resulting in drastic variation in temperature. The closeness of the planet to Proxima Centauri gives it 100 times higher energy radiation when compared to Earth in terms of ultraviolet light. But if Proxima Centauri has no transit then there is always hope for life.

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