This
article is reflecting a growing recognition.
Expect
to see a push for geoengineering.
The
world is losing the war against climate change
Rising
energy demand means use of fossil fuels is heading in the wrong
direction
2
Augst, 2018
EARTH
is smouldering. From Seattle to Siberia this summer, flames have
consumed swathes of the northern hemisphere. One of 18 wildfires
sweeping through California, among the worst in the state’s
history, is generating such heat that it created its own weather.
Fires that raged through a coastal area near Athens last week killed
91 (see article). Elsewhere people are suffocating in the heat.
Roughly 125 have died in Japan as the result of a heatwave that
pushed temperatures in Tokyo above 40°C for the first time.
Such
calamities, once considered freakish, are now commonplace. Scientists
have long cautioned that, as the planet warms—it is roughly 1°C
hotter today than before the industrial age’s first furnaces were
lit—weather patterns will go berserk. An early analysis has found
that this sweltering European summer would have been less than half
as likely were it not for human-induced global warming.
Yet
as the impact of climate change becomes more evident, so too does the
scale of the challenge ahead. Three years after countries vowed in
Paris to keep warming “well below” 2°C relative to
pre-industrial levels, greenhouse-gas emissions are up again. So are
investments in oil and gas. In 2017, for the first time in four
years, demand for coal rose. Subsidies for renewables, such as wind
and solar power, are dwindling in many places and investment has
stalled; climate-friendly nuclear power is expensive and unpopular.
It is tempting to think these are temporary setbacks and that
mankind, with its instinct for self-preservation, will muddle through
to a victory over global warming. In fact, it is losing the war.
Living
in a fuel’s paradise
Insufficient
progress is not to say no progress at all. As solar panels, wind
turbines and other low-carbon technologies become cheaper and more
efficient, their use has surged. Last year the number of electric
cars sold around the world passed 1m. In some sunny and blustery
places renewable power now costs less than coal.
Public
concern is picking up. A poll last year of 38 countries found that
61% of people see climate change as a big threat; only the terrorists
of Islamic State inspired more fear. In the West campaigning
investors talk of divesting from companies that make their living
from coal and oil. Despite President Donald Trump’s decision to
yank America out of the Paris deal, many American cities and states
have reaffirmed their commitment to it. Even some of the
sceptic-in-chief’s fellow Republicans appear less averse to
tackling the problem (see article). In smog-shrouded China and India,
citizens choking on fumes are prompting governments to rethink plans
to rely heavily on coal to electrify their countries.
Optimists
say that decarbonisation is within reach. Yet, even allowing for the
familiar complexities of agreeing on and enforcing global targets, it
is proving extraordinarily difficult.
One
reason is soaring energy demand, especially in developing Asia. In
2006-16, as Asia’s emerging economies forged ahead, their energy
consumption rose by 40%. The use of coal, easily the dirtiest fossil
fuel, grew at an annual rate of 3.1%. Use of cleaner natural gas grew
by 5.2% and of oil by 2.9%. Fossil fuels are easier to hook up to
today’s grids than renewables that depend on the sun shining and
the wind blowing. Even as green fund managers threaten to pull back
from oil companies, state-owned behemoths in the Middle East and
Russia see Asian demand as a compelling reason to invest.
The
second reason is economic and political inertia. The more fossil
fuels a country consumes, the harder it is to wean itself off them.
Powerful lobbies, and the voters who back them, entrench coal in the
energy mix. Reshaping existing ways of doing things can take years.
In 2017 Britain enjoyed its first coal-free day since igniting the
Industrial Revolution in the 1800s. Coal generates not merely 80% of
India’s electricity, but also underpins the economies of some of
its poorest states (see Briefing). Panjandrums in Delhi are not keen
to countenance the end of coal, lest that cripple the banking system,
which lent it too much money, and the railways, which depend on it.
Last
is the technical challenge of stripping carbon out of industries
beyond power generation. Steel, cement, farming, transport and other
forms of economic activity account for over half of global carbon
emissions. They are technically harder to clean up than power
generation and are protected by vested industrial interests.
Successes can turn out to be illusory. Because China’s 1m-plus
electric cars draw their oomph from an electricity grid that draws
two-thirds of its power from coal, they produce more carbon dioxide
than some fuel-efficient petrol-driven models. Meanwhile, scrubbing
CO{-2} from the atmosphere, which climate models imply is needed on a
vast scale to meet the Paris target, attracts even less attention.
The
world is not short of ideas to realise the Paris goal. Around 70
countries or regions, responsible for one-fifth of all emissions, now
price carbon. Technologists beaver away on sturdier grids,
zero-carbon steel, even carbon-negative cement, whose production
absorbs more CO{-2} than it releases. All these efforts and
more—including research into “solar geoengineering” to reflect
sunlight back into space—should be redoubled.
Blood,
sweat and geoengineers
Yet
none of these fixes will come to much unless climate listlessness is
tackled head on. Western countries grew wealthy on a carbon-heavy
diet of industrial development. They must honour their commitment in
the Paris agreement to help poorer places both adapt to a warmer
Earth and also abate future emissions without sacrificing the growth
needed to leave poverty behind.
Averting
climate change will come at a short-term financial cost—although
the shift from carbon may eventually enrich the economy, as the move
to carbon-burning cars, lorries and electricity did in the 20th
century. Politicians have an essential role to play in making the
case for reform and in ensuring that the most vulnerable do not bear
the brunt of the change. Perhaps global warming will help them fire
up the collective will. Sadly, the world looks poised to get a lot
hotter first.
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