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New Delhi, Jul 18: The Covid-19 lockdown-led reduction in air pollution levels across five Indian cities, including Delhi and Mumbai, may have prevented about 630 premature deaths, and saved USD 690 million in health costs in the country, according to a new study.

Scientists, including those from the University of Surrey in the UK, assessed the levels of harmful fine particulate matter (PM2.5) from vehicles and other sources in five Indian cities -- Delhi, Mumbai, Kolkata, Chennai and Hyderabad -- since the beginning of the lockdown period.

The study, published in the journal Sustainable Cities and Society, compared these lockdown PM2.5 figures from 25 March up until 11 May, with those from similar periods of the preceding five years, and found that the measure reduced pollution levels in all these places.

According to the scientists, during this period, the levels of these harmful air pollutants reduced by 10 per cent in Mumbai, and by up to 54 per cent in Delhi.

"The percentage reduction for the other cities ranged from 24 to 32 per cent, which was slightly smaller than the measured values for Delhi and Mumbai," the scientists noted in the study.

"While the reduction in PM2.5 pollution may not be surprising, the size of the reduction should make us all take notice of the impact we have been having on the planet," said Prashant Kumar, a co-author of the study from the University of Surrey.

The scientists said these reductions in PM2.5 were comparable to those reported in other cities across the world, such as in Austria's capital Vienna (60 per cent), and Shanghai (42 per cent) in China.

They also calculated the monetary value of the reduced mortality due to air pollution and found that the lowered levels of PM2.5 may have saved 630 people from premature death, and USD 690 million in health costs in India.

Coronavirus India update: State-wise total number of confirmed cases, deaths on July 17

According to the researchers, the present lockdown situation offers observational opportunities regarding potential control systems and regulations for improved urban air quality.

They said an integrated approach might help in understanding the overall impacts of Covid-19 lockdown-style interventions and support the implementation of relevant policy frameworks.

"This is an opportunity for us all to discuss and debate what the 'new normal' should look like - particularly when it comes to the quality of the air we breathe," Kumar said.

Davos, Jan 20: India's richest 1 per cent hold more than four-times the wealth held by 953 million people who make up for the bottom 70 per cent of the country's population, while the total wealth of all Indian billionaires is more than the full-year budget, a new study said on Monday.

Releasing the study 'Time to Care' here ahead of the 50th annual meeting of the World Economic Forum (WEF), rights group Oxfam also said the world's 2,153 billionaires have more wealth than the 4.6 billion people who make up 60 per cent of the planet's population.

The report flagged that global inequality is shockingly entrenched and vast and the number of billionaires has doubled in the last decade, despite their combined wealth having declined in the last year.

"The gap between rich and poor can't be resolved without deliberate inequality-busting policies, and too few governments are committed to these," said Oxfam India CEO Amitabh Behar, who is here to represent the Oxfam confederation this year.

The issues of income and gender inequality are expected to figure prominently in discussions at the five-day summit of the WEF, starting Monday. The WEF's annual global risks Report has also warned that the downward pressure on the global economy from macroeconomic fragilities and financial inequality continued to intensify in 2019.

Concern about inequality underlies recent social unrest in almost every continent, although it may be sparked by different tipping points such as corruption, constitutional breaches, or the rise in prices for basic goods and services, as per the WEF report.

Although global inequality has declined over the past three decades, domestic income inequality has risen in many countries, particularly in advanced economies and reached historic highs in some, the Global Risks Report flagged last week.

The Oxfam report further said "sexist" economies are fuelling the inequality crisis by enabling a wealthy elite to accumulate vast fortunes at the expense of ordinary people and particularly poor women and girls.

Regarding India, Oxfam said the combined total wealth of 63 Indian billionaires is higher than the total Union Budget of India for the fiscal year 2018-19 which was at Rs 24,42,200 crore.

"Our broken economies are lining the pockets of billionaires and big business at the expense of ordinary men and women. No wonder people are starting to question whether billionaires should even exist," Behar said.

As per the report, it would take a female domestic worker 22,277 years to earn what a top CEO of a technology company makes in one year.

With earnings pegged at Rs 106 per second, a tech CEO would make more in 10 minutes than what a domestic worker would make in one year.

It further said women and girls put in 3.26 billion hours of unpaid care work each and every day -- a contribution to the Indian economy of at least Rs 19 lakh crore a year, which is 20 times the entire education budget of India in 2019 (Rs 93,000 crore).

Besides, direct public investments in the care economy of 2 per cent of GDP would potentially create 11 million new jobs and make up for the 11 million jobs lost in 2018, the report said.

Behar said the gap between rich and poor cannot be resolved without deliberate inequality-busting policies, and too few governments are committed to these.

He said women and girls are among those who benefit the least from today's economic system.

"They spend billions of hours cooking, cleaning and caring for children and the elderly. Unpaid care work is the 'hidden engine' that keeps the wheels of our economies, businesses and societies moving.

"It is driven by women who often have little time to get an education, earn a decent living or have a say in how our societies are run, and who are therefore trapped at the bottom of the economy,” Behar added.

Oxfam said governments are massively under-taxing the wealthiest individuals and corporations and failing to collect revenues that could help lift the responsibility of care from women and tackle poverty and inequality.

Besides, the governments are also underfunding vital public services and infrastructure that could help reduce women and girls' workload, the report said.

As per the global survey, the 22 richest men in the world have more wealth than all the women in Africa.

Besides, women and girls put in 12.5 billion hours of unpaid care work each and every day -- a contribution to the global economy of at least USD 10.8 trillion a year, more than three times the size of the global tech industry.

Getting the richest one per cent to pay just 0.5 per cent extra tax on their wealth over the next 10 years would equal the investment needed to create 117 million jobs in sectors such as elderly and childcare, education and health.

Governments must prioritise care as being as important as all other sectors in order to build more human economies that work for everyone, not just a fortunate few, Behar said.

Oxfam said its calculations are based on the latest data sources available, including from the Credit Suisse Research Institute's Global Wealth Databook 2019 and Forbes' 2019 billionaires list.

May 9: Union Home Minister Amit Shah has said the West Bengal government is not allowing trains with migrant workers to reach the state that may further create hardship for the labourers.

In a letter to West Bengal Chief Minister Mamata Banerjee, Shah said not allowing trains to reach West Bengal is "injustice" to the migrant workers from the state.

Referring to the 'Shramik Special' trains being run by the central government to facilitate transport of migrant workers from different parts of the country to various destinations, the home minister said in the letter that the Centre has facilitated more than two lakh migrants workers to reach home.

Shah said migrant workers from West Bengal are also eager to reach home and the central government is also facilitating the train services.

"But we are not getting expected support from the West Bengal. The state government of West Bengal is not allowing the trains reaching to West Bengal. This is injustice with West Bengal migrant labourers. This will create further hardship for them," Shah wrote.