[As climate change intensifies, such extreme heat waves will get
worse. Globally, 16 of the 17 hottest years on record have been since
2000, and heat waves have taken a mounting toll. Heat wave deaths
happen everywhere. In the US, they cause more deaths than all other
natural disasters combined. Normally cool Europe lost 70,000 people in
2003 and snowy Russia lost 56,000 in 2010.
In developing countries, heat waves are even more insidious. The
frail, the elderly, children, women, migrants, the sick and people
without access to simple ways to cool themselves in summer are at
greatest risk, and yet most of these deaths are preventable, even
under the harshest of conditions. That is why governments of
developing countries must plan now for the heat waves of the future,
or face a mounting death toll among society’s most vulnerable people.

(Also look up: 'Sea levels could rise by more than three metres, shows
new study' at <https://phys.org/news/2017-04-sea-metres.html>.)]

Fight the summer blaze: Heat waves are getting worse, but preparedness
and simple measures can save many lives

April 28, 2017, 2:00 AM IST Gulrez Shah Azhar in TOI Edit Page

I grew up close to the tropics, in a north Indian city. During harsh
summers the incandescent sun – the largest nuclear fusion reactor in
the entire solar system – is unforgiving, and heat waves bake the
ground and all that’s on it. Amidst power cuts, a searing hot wind
blows. The feeling cannot be described or forgotten: of being restless
and trapped. There is no relief from that humidity, sweat and
exhaustion. It is burning, always and everywhere. We try to live
through the day, to survive, but many are not so lucky.

As climate change intensifies, such extreme heat waves will get worse.
Globally, 16 of the 17 hottest years on record have been since 2000,
and heat waves have taken a mounting toll. Heat wave deaths happen
everywhere. In the US, they cause more deaths than all other natural
disasters combined. Normally cool Europe lost 70,000 people in 2003
and snowy Russia lost 56,000 in 2010.

In developing countries, heat waves are even more insidious. The
frail, the elderly, children, women, migrants, the sick and people
without access to simple ways to cool themselves in summer are at
greatest risk, and yet most of these deaths are preventable, even
under the harshest of conditions. That is why governments of
developing countries must plan now for the heat waves of the future,
or face a mounting death toll among society’s most vulnerable people.

India, where one out of every five people on this planet lives, is
particularly vulnerable. In the summer of 2015 a heat wave with
temperatures reaching 48°C left more than 2,330 people dead. Last
year, 1,100 died and millions were put at risk. And these were likely
underestimates because many deaths during heat waves are attributed to
other causes. However, over the years, heat wave deaths have been
steadily increasing.

Developing countries are not only at risk because many are closer to
the equator or lack air conditioning, which research shows has the
single largest impact in reducing heat deaths. Nutritional status also
plays a role. Half of India’s children are undernourished, increasing
their susceptibility. Further, half of all young women are anaemic and
therefore already in a weakened state. Lack of access to affordable
healthcare is another factor. The situation is so bad that
catastrophic expenditure on healthcare is now the leading cause of
falling into poverty, replacing dowry. Given these high expenses
people think twice before seeking care, even in emergencies.

58% of India’s total population lives on less than Rs 200 per day. And
when heat waves strike, poverty has consequences. An estimated 53% of
households don’t have water available at home, 42% don’t have bathing
facilities, more than half don’t have an indoor toilet. Just two
cities in the entire country have uninterrupted water supply.

This summer is shaping up to be especially bad in India. Satellite
images show large areas in the western and northern parts of the
country having dried up from lack of underground water. Without access
to water, heat waves become particularly deadly. A third of India’s
population lacks electricity, precluding the use of fans and air
conditioning.

But heat deaths are preventable and simple measures could save many
lives. Just three main actions would make an enormous difference.

First, we need to raise awareness. Just an awareness of heat as a
threat reduces the likelihood of falling sick from a heat wave. When
aware, people are more likely to stay hydrated and indoors, away from
the scorching sun. Government and media must work together to raise
awareness of the dangers of heat waves, and the simple measures that
can save lives.

Second, we need to develop city and state heat preparedness plans.
One plan for Ahmedabad, a city of 5.5 million, built public awareness
about heat health risks through community outreach, initiated a
weather forecast-based early warning system of impending heat waves,
and organised staff trainings for concerned departments. It also
ensured that there were ample supplies of ice packs, water coolers,
beds and medicines to bring relief from the rising summer heat. These
programmes have been shown to be effective in saving lives.

Finally, in rural areas we must build social safety nets and increase
the availability of health services. Diet, clothing, housing designs,
green neighbourhoods, ensuring availability of water and power are
commonsense measures of protection that save lives. Simply checking in
on our neighbours, the elderly and the sick can reduce their risk.
To be sure heat waves are not the only fatal natural disaster, and
preparing for them costs money. But they deserve our attention. Costs
of simple preparation measures are negligible compared to the benefits
of saved lives.

India has learnt through tragic experience the devastation of heat
waves. But with climate change making summer even hotter than those of
my childhood, we need to do more. We must learn to mitigate their
impacts even as temperatures soar. The country must now apply these
lessons in every major city and across the vast rural areas where most
poor populations reside. Other countries can also learn from this
experience, and develop their own corresponding actions. Summer is
here; there is truly no time to waste.


-- 
Peace Is Doable

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