Weekly Environmental News Roundup: 26 January 2026
Weekly environmental news roundup from across different media networks for Week 4 (19 to 25 January) 2026.
Vehicles Main Cause Of Delhi-NCR Air Pollution: Air Quality Body
The Commission for Air Quality Management told the Supreme Court on Wednesday that vehicular pollution is the highest contributor to air pollution in Delhi-NCR and recommended 15 long-term measures to improve the worsening Air Quality Index.
CAQM report says “secondary particulate” top cause of Delhi winter pollution
A synthesis of studies on the causes of air pollution in Delhi, sought by the Commission for Air Quality Management in the National Capital Region, has found that the largest contributor to winter pollution is secondary particulate matter at 27%, followed by transport at 23%, biomass burning at 20% including municipal solid waste and crop-residue burning, dust at 15% and industry at 9%.
High ammonia levels in Yamuna disrupt water supply across Delhi
Water supply has been disrupted to various parts of the city due to the presence of high ammonia levels, indicating presence of pollutants, in the raw water in Yamuna upstream of Wazirabad, said senior officials on Wednesday.
CAG audit flags serious drinking water risks in Delhi: JSA demands urgent action
An audit by the Comptroller and Auditor General of India has exposed serious lapses in the quality and safety of drinking water supplied by the Delhi Jal Board, raising alarm over widespread public health risks in the national capital.
GRAP-4 in action, so what? C&D waste lies in open, roads being dug in Gurgaon
GRAP Stage 4 is in force across NCR but on the ground, enforcement appears missing.
Delhi Water Supply Expected To Improve As Ammonia Levels In Yamuna Decline
Water supply situation might improve in the city as ammonia levels in Yamuna are decreasing, the Delhi government officials said on Saturday.
Delhi Using Water, Sewer Lines Up To 50 Years Old; DJB Says No Fixed Timeline For Replacement
The water and sewer pipelines in the national capital are as old as 50 years, official documents from the Delhi Jal Board show.
There seems to be no near resolve to Delhi water crisis as the Delhi Jal Board (DJB) recently dropped an update suggesting that the water supply would resume to full capacity after 4 February.
Delhi: DJB clears 600 EV water tankers, sewage connections
The Delhi Jal Board approved a series of projects, including the deployment of 600 electric vehicle-mounted water tankers, new sewage treatment facilities and long-term water planning measures, said officials on Wednesday.
Delhi govt to set up STP to provide clean water for 13th century Mehrauli reservoir
After years of neglect and being turned into a dumping area, thirteenth-century water reservoir Hauz-i-Shamsi in south Delhi’s Mehrauli may soon get a solution to its pollution woes.
Delhi Among World’s Largest Cities in High Water Stress Areas, Finds Report
Half of the world’s 100 largest cities are currently experiencing high or extremely high water stress, with 39 of these cities located in regions where water demand is close to exceeding available supply.
Lanes filled with sewage, knee-deep water inside houses, several grocery stores shut, and cabs declining bookings.
Delhi govt dumping waste from Bhalswa landfill to Kirari, alleges AAP; BJP hits back
Amid a war of words over waterlogging in Kirari, the Aam Aadmi Party on Thursday alleged that the Delhi government is dumping waste from the Bhalswa landfill on vacant Delhi Development Authority land in the area.
NDMC launches community-led waste handling initiative
NDMC Chairman Keshav Chandra launched a new sustainability initiative on Thursday named “Bring Wet Waste, Take Away Compost” which aims at transforming waste into wealth through community participation.
In hub of e-waste dismantling, safety logs out
In a narrow, congested lane in northeast Delhi’s Seelampur, 11-year-old Zakir and his friend, 10-year-old Zehaan (names changed), are quiet.
Tree-Felling For Delhi Rail Project Cleared While Dwarka Forest Case Pending
The Centre Empowered Committee operating under Supreme Court oversight has granted final approval for the removal of 1,279 trees obstructing the much-anticipated Bijwasan Rail Terminal project in Delhi’s Dwarka Sector 21, despite final NGT and Supreme Court judgment remaining pending.
NGT issues notices over illegal construction in Rohini green belt
The National Green Tribunal issued notices to Delhi Pollution Control Committee, DDA and other agencies on a plea alleging illegal construction in a green belt in Rohini’s Sector 16.
Forest dept to HC: Order issued to protect trees on key road
Delhi’s forest department has issued an order to protect trees along Shaheed Bhagat Singh Marg, the high court was informed on Wednesday.
Only 859 of 1,063 saplings in west Delhi parks found healthy, forest dept tells NGT
In a status report dated January 20, the forest department told the NGT that a joint inspection was carried out with the Municipal Corporation of Delhi on January 19 at the four parks.
Wildlife activist seeks CBI probe into irregularities at Delhi Zoo
Wildlife activist Ajay Dubey has sought an independent probe by the Central Bureau of Investigation or the Central Vigilance Commission into alleged violation of wildlife laws, financial irregularities and administrative lapses at the National Zoological Park in Delhi.
Scientists discovered two hidden rare ant-fly species in Delhi and Western Ghats
Scientists have discovered two previously unknown ant fly species.
MCD staff crunch hits water checks
Public health surveillance in the national capital is operating with a severe shortage of public health inspectors, undermining routine monitoring of drinking water quality across the city, officials from the Municipal Corporation of Delhi aware of the matter said.
