This is what’s happening to the Amazon, according to NASA

Taiwan

(Credit: Unsplash)

This article is brought to you thanks to the collaboration of The European Sting with the World Economic Forum.

Author: Sean Fleming, Senior Writer, Formative Content


Human activity is drying out the air above the Amazon, according to a new study, raising fears the planet’s biggest and most biodiverse rainforest will soon be unable to sustain itself.

Researchers from NASA’s Jet Propulsion Laboratory in California analyzed atmospheric moisture levels over the Amazon going back two decades. They found a significant drop over time, with forest trees requiring more water to cool down – water that can’t be provided by the atmosphere or the forest soil.

Less moisture in the atmosphere makes forest ecosystems increasingly vulnerable to fires and drought, which reduces biodiversity and threatens the forest’s future.

“In comparing this trend to data from models that estimate climate variability over thousands of years, we determined that the change in atmospheric aridity is well beyond what would be expected from natural climate variability,” said Armineh Barkhordarian, the study’s lead author – suggesting humans are the catalyst of the problem.

Tree clearance

Rainforests like the Amazon help slow the effects of climate change by acting as a vast sponge, absorbing harmful carbon dioxide from the planet’s atmosphere, and in turn, keeping temperatures down and slowing the impact of climate change. But the forest’s ability to decarbonize is being undermined by deforestation.

Deforestation in the Brazilian Amazon from 2004 to 2018
Image: Statista

Brazil is responsible for approximately half of the Amazon’s deforestation, and rising, according to WWF figures. Countries like Bolivia and Peru are also experiencing increases.

Government policies in Brazil, such as stricter enforcement of laws restricting forest clearances and the growth of private sector initiatives, have helped reduce the soaring deforestation of the early 2000s. However, restrictions have since been relaxed.

Human logging activity and fires set intentionally to clear land for ranching or agriculture have laid waste vast tracts of Amazon tree canopy in recent decades, too.

What’s the World Economic Forum doing about deforestation?

Halting deforestation is essential to avoiding the worst effects of global climate change.

The destruction of forests creates almost as much greenhouse gas emissions as global road travel, and yet it continues at an alarming rate.

In 2012, we brought together more than 150 partners working in Latin America, West Africa, Central Africa and South-East Asia – to establish the Tropical Forest Alliance 2020: a global public-private partnership to facilitate investment in systemic change.

The Alliance, made up of businesses, governments, civil society, indigenous people, communities and international organizations, helps producers, traders and buyers of commodities often blamed for causing deforestation to achieve deforestation-free supply chains.

The Commodities and Forests Agenda 2020, summarizes the areas in which the most urgent action is needed to eliminate deforestation from global agricultural supply chains.

The Tropical Forest Alliance 2020 is gaining ground on tackling deforestation linked to the production of four commodities: palm oil, beef, soy, and pulp and paper.

Get in touch to join our mission to halt to deforestation.

A heavy price

When forest trees are felled or set ablaze, there are fewer to soak up carbon from the atmosphere. Meanwhile, carbon stored in the trees is released, exacerbating climate change. Over time, this process turns forests from carbon sponges into CO2 emitters.

With loss of animal habitats and biodiversity included, deforestation comes with a heavy environmental price tag.

The planet loses around 18.7 million acres of forest each year, the equivalent of 27 soccer fields each minute. But this trend can be reversed.

In Costa Rica, decades of deforestation saw almost two-thirds of the nation’s forest cover disappear, and by 1983 just 26% remained.

Since then, major policy changes have brought the country’s forests back to life. Government initiatives were put in place to restrict logging permits, pay landowners who conserve their land and encourage overseas investment in eco-tourism. Today, forests cover more than half of the country, which has committed to fully decarbonizing by 2050.

Speaking at the World Economic Forum’s Annual Meeting of the Global Future Councils in Dubai, Carlos Manuel Rodríguez, Costa Rica’s Minister for Environment and Energy, revealed that his secret weapon for tackling climate change is… trees.

The planet has used this natural resource to regulate the atmosphere for millennia, so there is hope for our rainforests.

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