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Sunday, November 3, 2024
TopicGroundwater

Topic: groundwater

MIT engineers develop solar-powered system to make salty groundwater drinkable, without using batteries

Desalination has become important as groundwater is getting saltier. An electrodialysis system created by the scientists earlier this year needed costly batteries to adjust to sunlight.

How Punjab farmers sacrificed high income for a big cause—they gave up Pusa-44 this year

Punjab CM Bhagwant Mann thanked farmers for accepting the ban and staying away from the water-guzzling paddy variety Pusa-44. But convincing them about the larger public good is a work-in-progress.

Puddles can be valuable wildlife havens. The mini-ponds keep predators and competitors at bay

When rain fills a track in the dried mud, fairy shrimp eggs hatch almost immediately. The shrimps grow quickly to lay a new generation of eggs before their puddle dries.

This US company is brewing beer out of recycled wastewater

2,000 gallons of recycled greywater from the Fifteen Fifty luxury apartment building in San Francisco was converted into beer.

Parliament panel report flags dip in groundwater levels in Delhi, Ghaziabad, Faridabad & 20 other cities

Increasing population, urbanisation and concretisation cited as reasons for depletion in cities. Delhi, Jaipur & Hyderabad among cities severely affected by water contamination.

Toxic Delhi is turning into a City of Lakes. Jal Board has just created 14 new ones

There is a bigger goal behind Delhi’s City of Lakes project. It will make the city self-sufficient in its drinking water needs.

Underground nuclear test site puts thousands in North Korea at radiation risk, says rights group

Study by Transitional Justice Working Group said radioactive materials could have spread across 8 cities and counties near the site, where more than 1 million North Koreans live.

Powered by farmer unions, stir against liquor factory in Zira ‘isn’t about just 1 village anymore’

Protesters' main grievances are factory's allegedly debilitating effects on their groundwater, soil and quality of life. Punjab and Haryana HC is due to hear the matter Friday.

14% of India’s groundwater assessment units over-exploited, 4% critical, says new govt report

According to latest Central Ground Water Board report, Punjab, Haryana and Rajasthan fall in 'over-exploited' range, while Delhi is in 'critical' range. Agriculture biggest consumer.

Samaaj, Bazaar, Sarkaar—3 players that can save both India’s rivers and urban colonies

In 'Samaaj, Sarkaar, Bazaar: A Citizen-First Approach', Rohini Nilekani outlines her philosophy of restoring the balance between state and markets.

On Camera

Neither retaliation nor revenge—Sardar Patel’s appeal for peace after Partition violence

On 12 September 1947, deputy PM Vallabhbhai Patel addressed the nation 'with a heavy heart and in obedience to the call of duty' to call for an end to the communal violence and unspeakable brutalities.

Watch CutTheClutter: Flattening INR-USD rate, and debate on pros and cons of a ‘strong’ rupee

In Episode 1544 of CutTheClutter, Editor-in-Chief Shekhar Gupta looks at some top economists pointing to the pitfalls of ‘currency nationalism’ with data from 1991 to 2004.

Indian firms sanctioned by US didn’t violate laws, says MEA. Hyderabad firm that supplied to Army on list

Among 19 Indian firms sanctioned by US Treasury Dept was Lokesh Machines Ltd accused of coordinating with 'Russian defence procurement agent to import Italy-origin CNC machines'.

Xi wanted to teach India about imbalance of power. We should take a budgetary lesson from it

While we talk much about our military, we don’t put our national wallet where our mouth is. Nobody is saying we should double our defence spending, but current declining trend must be reversed.