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Tannu Jain

Tannu Jain works with HT's Page 1 team. She writes on the environment and climate change, with a focus on implications at the local and global levels. She is also the author of Cause and Effect, a weekly column for HT Premium.

Articles by Tannu Jain

Cause and effect: AI's environmental costs should be counted now

To achieve that, one must also let go of the belief that the use of digital technology is somehow independent of resources: both human and material

The technology has permeated almost every facet of daily life (Getty Images/iStockphoto)
Published on Feb 08, 2025 03:49 PM IST
ByTannu Jain

Cause and Effect | Donald Trump’s entry triggers US exit from Paris Agreement

Each country’s pledge toward the Paris goal is voluntary. The US commitment was to limit emissions by 26-28% below 2005 levels by 2025.

US President Donald Trump. (REUTERS)
Published on Jan 27, 2025 01:26 PM IST
ByTannu Jain

How climate crisis fanned LA fire and why the world is its tinderbox

The climate crisis is manifesting itself in a more varied and complicated manner, including and not limited to, prolonged periods of heatwaves

An aerial view of hillside homes destroyed as wildfires cause damage and loss through the LA region (Getty Images via AFP)
Updated on Jan 17, 2025 02:38 PM IST
ByTannu Jain

Renewable surge in 2023 fails to curb worldwide emissions: Report

CCPI compares the climate change mitigation efforts of 63 countries and the EU, which together account for 90% of the world’s GHG emissions

A view shows a venue of the COP29 United Nations climate change conference, in Baku, Azerbaijan, on Wednesday. (REUTERS)
Updated on Nov 21, 2024 12:01 AM IST
ByTannu Jain

Nitrous Oxide levels endangering Paris goals: UN report

Nitrous oxide has a lifetime of 120 years and is approximately 270 times more powerful than carbon dioxide per tonne of emission at warming the Earth

People walk near the venue of the United Nations Climate Change Conference (COP29), in Baku, Azerbaijan, on Thurs November 14, 2024. REUTERS/Maxim Shemetov (REUTERS)
Updated on Nov 14, 2024 02:13 PM IST
ByTannu Jain

COP29 opens with divisions over Europe’s carbon border tax and climate financing

CBAM is hailed by the EU as a critical step to curb carbon leakage. However, developing nations claim it disproportionately burdens them

A night view shows the venue of the United Nations climate change conference, known as COP29, in Baku, Azerbaijan, on Monday. (REUTERS)
Published on Nov 12, 2024 11:14 PM IST

Climate commitments continue to miss key targets of the Paris Agreement: Report

The latest synthesis report shows climate action is still insufficient, with emissions reductions lacking the depth needed for the Paris Agreement targets

New Delhi, India- October 18, 2024: Yamuna River at Kalindi Kunj has foamed up in large quantities. The Yamuna in Delhi is almost dead and in most places the water is not fit for bathing, let alone sustaining aquatic life. The main reason for this is the high ammonia levels in the river due to excessive emissions of industrial pollutants, in New Delhi, India, on Friday, October 18, 2024. (Photo by Sunil Ghosh / Hindustan Times)
Published on Nov 08, 2024 08:00 AM IST

'No More Hot Air’: UNEP calls for urgent action to prevent climate catastrophe

As emissions climb to unprecedented levels, the UNEP’s latest report exposes a widening chasm between climate pledges and reality.

FILE PHOTO: A countdown display for the COP29 United Nations Climate Change Conference is set in Baku, Azerbaijan October 31, 2024. REUTERS/Aziz Karimov/File Photo(REUTERS)
Published on Nov 06, 2024 04:21 PM IST

How the 2024 US elections could shape global environmental policy

Despite the existential threat of climate crisis, it has not been a focal point of the 2024 campaign thus far

TOPSHOT - A drone image shows a flooded street due to Hurricane Milton in Siesta Key, Florida, on October 10, 2024. At least four people were confirmed killed as a result of two tornadoes triggered by Hurricane Milton on the east coast of the US state of Florida, local authorities said Thursday. (Photo by Miguel J. Rodriguez Carrillo / AFP)(AFP)
Published on Oct 18, 2024 08:00 AM IST

Global wildlife population fell 73% in 50 years: Report

In Asia Pacific, which includes India, pollution is an additional threat to wildlife populations, with the region recording an average decline of 60%

The report called habitat loss and degradation, driven primarily by food systems, the biggest threat to wildlife. (HT PHOTO/Representative)
Published on Oct 10, 2024 08:52 AM IST
ByTannu Jain

Cause and Effect | The Hague bans fossil fuel ads

The city's municipal council voted to approve the new rules for outdoor advertising, which will apply to billboards and freestanding advertising screens.

The Hague, the country’s administrative centre and the hub of international law is seeking to be climate-neutral by 2030.(Takeaway/Wikimedia Commons)
Published on Oct 05, 2024 08:00 AM IST

The quaint island and a fierce battle for survival

Despite facing climate challenges, Lakshadweep shows resilience through community engagement

An Indian Ocean Sweetlip in lagoons surrounding Agatti. (Alvin Anto)
Updated on Sep 23, 2024 06:44 AM IST
By, Jayashree Nandi, Kavaratti/agatti

Govt move to acquire plots leaves residents on shaky ground

HT, in a series supported by the Pulitzer Center, looks at the changes that have hit the Lakshadweep archipelago off India’s southwest coast

Lakshadweep consists of 36 islands, of which only 10 are inhabited. (HT Photo)
Published on Sep 19, 2024 08:40 AM IST
ByJayashree Nandi,

From land to sea, looming changes hurl Lakshadweep towards a great unknown

Lakshadweep's ecology faces threats from climate change and tourism, prompting local advocates to safeguard their homeland.

A fisher with his catch in Lakshadweep. (Alvin Anto)
Updated on Sep 13, 2024 01:39 AM IST
ByTannu Jain, Jayashree Nandi

Economy versus ecology: Tourism quandary vexes Lakshadweep

HT, in a series supported by the Pulitzer Center, looks at the changes that have hit Lakshadweep, the archipelago off India’s southwest coast.

Most experts agree that a boost in tourism could help generate revenue for islanders but locals are anxious. (ANI)
Published on Sep 12, 2024 08:45 AM IST
ByJayashree Nandi,

Climate, tourism threaten to bleed out Lakshadweep’s corals

Lakshadweep's ecology faces threats from rising sea temperatures and tourism projects, endangering coral reefs and local livelihoods.

An aggregation of damsel fish in the thickets of a branching Acropora corals in Agatti. (Alvin Anto)
Updated on Sep 11, 2024 06:27 PM IST
ByJayashree Nandi,

Iran village hits dangerous 82.2°C heat index

If confirmed, the heat index and a corresponding dew point of 36.1°C could be among the highest such readings ever recorded on the planet

An Iranian taxi driver splashes water on himself to cool down during the heat surge in Tehran, Iran, on July 21. (REUTERS)
Updated on Aug 30, 2024 05:36 AM IST
ByTannu Jain

How Cape Town averted ‘Day Zero’: A lesson for Delhi

The City of Cape Town’s experience and the decisions of its administrators could hold significant lessons for Delhi, faced with an acute water shortage

In February 2018, people queuing up to collect water from a spring in the Newlands suburb as the city's water crisis grows in Cape Town, South Africa.(Reuters file)
Published on Jun 25, 2024 06:12 PM IST

Delhi's scorching heatwaves call for urgent heat action plans

An in-depth look at the persistent heatwave in Delhi, how heatwaves are classified, and the measures included in the city's heat action plan

New Delhi, India - June 13, 2024: A view of Mirage seen amid heatwave at India Gate in New Delhi, India, on Thursday, June 13, 2024. (Photo by Sanchit Khanna/ Hindustan Times)(Hindustan Times)
Published on Jun 17, 2024 07:21 PM IST

How extreme weather events are leading to severe consequences for food security

Extreme weather events such as heatwaves and droughts are affecting agriculture across the world, leading to reduced crop yields and potential food shortages.

An olive farmer in Portugal (Rafael Marchante / REUTERS)
Published on Jun 03, 2024 10:00 AM IST

Plane rides are getting bumpier due to climate change

Between 1979 and 2020, there has been a 55% increase in annual duration of turbulence over the North Atlantic, one of the world’s busiest routes

An Airbus A350 Singapore Airlines aircraft approaches for landing at Singapore Changi Airport in Singapore on March 24 (AFP FILE PHOTO/Representative Image)
Published on May 21, 2024 10:01 PM IST

Science suggests multiple eco organs of Earth may be failing, says top scientist

Johan Rockstrom, director of the Potsdam Institute for Climate Impact Research, warns that things are changing faster than expected and the risks are increasing

Kenya is grappling with one of its worst floods in recent history, the latest in a string of weather catastrophes, following weeks of extreme rainfall scientists have linked to a changing climate. (Credit: AFP)
Updated on May 13, 2024 09:01 PM IST

Deluge in Dubai highlights climate vulnerability and a lack of preparedness

Experts suggest that the city's unpreparedness for such extreme weather events underscores the urgent need for climate-resilient infrastructure.

Floodwater in Dubai. (AP)(HT_PRINT)
Published on Apr 28, 2024 12:19 AM IST

Cause and Effect | Understanding the real threats of a civilisation collapse

Amidst increasing climate-related crises, experts warn that civilisation collapse isn't just a dystopian concept from movies—it's a real possibility.

Humans are experiencing vast shifts in their immediate environment, with the droughts in Africa, fires in much of North America and Canada, floods in Afghanistan, UAE and Pakistan, and heatwaves elsewhere also wreaking havoc across the world, irrespective of the stage of development a region is in. (Reuters)
Published on Apr 20, 2024 09:21 PM IST

Three elections that can arrest temperature rise and help us course correct

This year, about 60 countries or regions are scheduled to go to polls, including some of the major emitters. The policies they bring in can change the Earth

A participant gestures next to an election sign board during the Vote-A-Thon, an awareness campaign organized by the Karnataka's Chief Electoral Office to encourage 100 percent voting turnout for the upcoming 2024 general elections, in Bengaluru on March 17, 2024. India's election commission announced on March 16 that national polls would begin on April 19, with Hindu-nationalist Prime Minister Narendra Modi strongly favoured to win a third term in the world's largest democracy. (Photo by Idrees MOHAMMED / AFP)(AFP)
Published on Apr 05, 2024 11:07 PM IST

Anthropocene or not? Scientists put an end to 15-year-old debate

Geologists lacked consensus on whether humanity’s impact should be defined as an “epoch”, a period over thousands of years, or an “event”, a far shorter period

FILE - Work is done on the roof of a building under construction in Sacramento, Calif., on March 3, 2022. New numbers released Friday, March 22, 2024, show California has the highest unemployment rate in the country. Job losses in February were led by a drop in the construction industry. (AP Photo/Rich Pedroncelli, File)(AP)
Published on Mar 23, 2024 02:31 AM IST

The untold story behind climate change: we've known about the crisis for a while

A 351-page report on the quality of our environment is perhaps the first documented evidence of scientists bringing global warming to a US President's attention

Scientists have issued warnings over the last few decades about the impact the burning of fossil fuels was having on the environment. (Reuters)
Published on Feb 23, 2024 07:58 PM IST

February has broken unprecedented temperature records, data shows

Halfway into February and the month has already broken several temperature records, latest data shows, following a trajectory of last year that ended as the hottest ever.

A woman passes by a temperature marker that reads 45 degrees Celsius during a heat wave in San Lorenzo, Paraguay, on February 3, 2024. (AFP)
Updated on Feb 18, 2024 05:08 AM IST
ByTannu Jain, New Delhi

Cause and Effect | What is behind the farmers' protests in Europe

Farmers feel squeezed between environmental regulations and economic viability. Their protests reflect the clash between sustainability and farming realities

French dairy farmers hold cow sculptures bearing national colours and reading
Updated on Feb 16, 2024 05:47 PM IST

The alarming rise in ocean temperatures spells doom for coral ecosystems

The vibrant rainforests of the sea are on the brink of extinction. Coral Reef Watch's new update underscores the urgent need to address temperature extremes

Reefs, complex creatures as it is, require a very specific environment to grow. (Credit: AFP)
Updated on Feb 05, 2024 06:58 PM IST
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