Ahmedabad's tree cover down to 24% from 46% in two decades: Study

By Rajiv Shah
A recent study, sponsored by the prestigious Indian Institute of Science (IISc), Bangaluru, has said that Ahmedabad's tree cover fell from 46% to 24% over the last 20 years, while the city's built-up area up increased by 132%. It predicts, by 2030, the vegetation cover will go down to 3% of Ahmedabad's area.
The study, which covers three other cities, Kolkata, Bhopal and Hyderabad, has used satellite-borne sensors, comparing images over decades and modeled past and future growth to reveal the rate of urbanisation in the four Indian cities.
The study says, Kolkata's tree cover fell from 23.4% to 7.3% over 20 years, while its built-up area went up by 190%; by 2030, its vegetation cover will be down to 3.37%. Bhopal's tree cover fell from 66% to 22% over the last 22 years, and by 2018, it will be down to 11% of the city's area. And Hyderabad's tree cover fell from 2.71% to 1.66% over 20 years, and by 2024, it will be 1.84% of city's area.

Revealing contents of the study, Deepa Padmanaban of indiaspend.com said, "The study has been carried out by Prof TV Ramchandran and his team at the Energy & Wetlands Research Group, Centre for Ecological Sciences, by analysing agents of change and drivers of growth, such as road networks, railway stations, bus stops, educational institutions and industries; defence establishments, protected regions, such as reserve forests, valley zones and parks."
"The researchers classifies land use into four groups: Urban or built-up, which includes residential and industrial areas, paved surfaces and mixed pixels with built-up area, meaning built-up areas which contain areas from any of the other three categories water, which includes tanks, lakes, reservoirs, and drainages; vegetation, which includes forests and plantations; and others, including rocks, quarry pits, open ground at building sites, unpaved roads, cropland, plant nurseries and bare land", she added.

The study says, the population of Kolkata is now 14.1 million, making it India's third-largest city. While its urban built-up area increased 190% between 1990 and 2010, in 1990, just about 2.2% of land was built up; in 2010, 8.6%, which is predicted to rise to 51.27% by 2030.
As for Hyderabad, with a population of 7.74 million in 2011, it is poised to be a mega city with 10 million people in 2014. Its urban built-up area rose 400% between 1999 and 2009. In 1999, 2.55% of land was built up; in 2009, 13.55%, which is predicted to rise to 51.27% by 2030.
Ahmedabad had a population of 5.5 million in 2011. It is the sixth largest city of India. While between 1990 and 2010 its built-up area rose by 132%, in 1990, 7.03% of land was built-up, which in 2010 reached 16.34%, and is predicted to rise to 38.3% in 2024.

Bhopal, which is one of India's greenest cities, with a population with 1.6 million people, is better off than other cities even today, "but the concretising trend is clear", says Padmanaban, adding, "In 1992, 66% of the city was covered with vegetation (in 1977, it was 92%); that is down to 21% and falling."
"India's fastest growing city has traditionally been Bangalore. There are no recent estimates for its concretisation, but in 2012, Ramachandran and his group found a 584% growth in built-up area over the preceding four decades, with vegetation declining 66% and water bodies 74%", Padmanaban says, quoting the study.
"The highest increase in urban built-up area in Bangalore was evident between 1973 and 1992 -- 342.83%. Decadal increases since, between 1992 and 2010, have averaged about 100%: 129.56% from 1992 to 1999; 106.7% from 1999 to 2002; 114.51% from 2002 to 2006; and 126.19% from 2006 to 2010", she said.
"Bangalore's population rose from 6.5 million in 2001 to 9.6 million in 2011, a growth of 46.68 % over a decade; population density increased from 10,732 persons per square kilometre in 2001 to 13,392 persons per square kilometre in 2011", she added.

Comments

Modi’s Israel visit strengthened Pakistan’s hand in US–Iran truce: Ex-Indian diplomat

By Jag Jivan M. K. Bhadrakumar , a career diplomat with three decades of service in postings across the former Soviet Union, Pakistan, Iran, Afghanistan, South Korea, Sri Lanka, Germany, and Turkey, has warned that the current truce in the US–Iran war is “fragile and ridden with contradictions.” Writing in his blog India Punchline , Bhadrakumar argues that while Pakistan has emerged as a surprising broker of dialogue, the durability of the ceasefire remains uncertain.

Manufacturing, services: India's low-skill, middle-skill labour remains underemployed

By Francis Kuriakose* The Indian economy was in a state of deceleration well before Covid-19 made its impact in early 2020. This can be inferred from the declining trends of four important macroeconomic variables that indicate the health of the economy in the last quarter of 2019.

Why Indo-Pak relations have been on 'knife’s edge' , hostilities may remain for long

By Utkarsh Bajpai* The past few decades have seen strides being made in all aspects of life – from sticks and stones to weaponry. The extreme case of this phenomenon has been nuclear weapons. The menace caused by nuclear weapons in the past is unforgettable. Images of Hiroshima and Nagasaki from 1945 come to mind, after the United States dropped two atomic bombs on the cities.

Incarceration of Prof Saibaba 'revives' the question: What is crime, who is criminal?

By Kunal Pant* In 2016, a Supreme Court Judge asked the state of Maharashtra, “Do you want to extract a pound of flesh?” The statement was directed against the state for contesting the bail plea of Delhi University Professor GN Saibaba. Saibaba was arrested in 2014, a justification for which was to prevent him from committing what the police called “anti-national activities.”

Food security? Gujarat govt puts more than 5 lakh ration cards in the 'silent' category

By Pankti Jog* A new statistical report uploaded by the Gujarat government on the national food security portal shows that ensuring food security for the marginalized community is still not a priority of the state. The statistical report, uploaded on December 24, highlights many weaknesses in implementing the National Food Security Act (NFSA) in state.

The soundtrack of resistance: How 'Sada Sada Ya Nabi' is fueling the Iran war

By Syed Ali Mujtaba* The Persian track “ Sada Sada Ya Nabi ye ” by Hossein Sotoodeh has taken the world by storm. This viral media has cut across linguistic barriers to achieve cult status, reaching over 10 million views. The electrifying music and passionate rendition by the Iranian singer have resonated across the globe, particularly as the high-intensity military conflict involving Iran entered its second month in March 2026.

Beneath the stone: Revisiting the New Jersey mandir controversy

By Rajiv Shah A recent report published in the British media outlet The Guardian , titled “Workers carved the largest modern Hindu temple in the west. Now, some have incurable lung disease,” took me back to my visits to the New Jersey mandir —first in 2022, when it was still under construction, though parts of it were open to visitors, and again in 2024, after its completion.

Civil society flags widespread violations of land acquisition Act before Parliamentary panel

By Jag Jivan Civil society organisations and stakeholders from across India have presented stark evidence before the Parliamentary Standing Committee on Rural Development and Panchayati Raj , alleging systemic violations of the Right to Fair Compensation and Transparency in Land Acquisition, Rehabilitation and Resettlement (RFCTLARR) Act, 2013 , particularly in Scheduled Areas and tribal regions.

Ecologist Dr. S. Faizi urges UN intervention to save 35 million Gulf migrants

By A Representative Renowned ecologist and veteran United Nations negotiator Dr. S. Faizi has issued an urgent appeal to UN Secretary-General António Guterres, calling for immediate diplomatic intervention to halt escalating conflict in the Persian Gulf. In a formal letter copied to several UN missions, Faizi warned that the lives and livelihoods of 35 million migrant workers—who comprise the vast majority of the population in many Gulf cities—are facing an unprecedented existential crisis.

Search This Blog