In NASA satellite images, forest fires in central Africa appear to burn alarmingly like a red chain from Gabon to Angola similar to the blazes in Brazil's Amazon that sparked global outcry.

At the G7 summit this week, French President Emmanuel Macron tweeted about the central Africa fires and said nations were examining a similar initiative to the one proposed to combat Brazil's blazes.

G7 nations have pledged $20 million on the Amazon, mainly on fire-fighting aircraft.

Macron's concern may be legitimate, but experts say central Africa's rainforest fires are often more seasonal and linked to traditional seasonal farming methods.

No doubt the region is key for the climate: The Congo Basin forest is commonly referred to as the "second green lung" of the planet after the Amazon.

The forests cover an area of 3.3 million square kilometres in several countries, including about a third in the Democratic Republic of Congo, and the rest in Gabon, Congo, Cameroon and Central Africa.

Just like the Amazon, the forests of the Congo Basin absorb tons of carbon dioxide (CO2) in trees and peat marshes - seen by experts as a key way to combat climate change. They are also sanctuaries for endangered species.

But most of the fires shown on the NASA maps of Africa are outside sensitive rainforest areas, analysts say, and drawing comparisons to the Amazon is also complex.

"The question now is to what extent we can compare," said Philippe Verbelen, a Greenpeace forest campaigner working on the Congo Basin.

"Fire is quite a regular thing in Africa. It's part of a cycle, people in the dry season set fire to bush rather than to dense, moist rainforest."

Guillaume Lescuyer, a central African expert at the French agricultural research and development centre CIRAD, also said the fires seen in NASA images were mostly burning outside the rain forest.

Angola's government also urged caution, saying swift comparisons to the Amazon may lead to "misinformation of more reckless minds".

The fires were usual at the end of the dry season, the Angolan ministry of environment said.

"It happens at this time of the year, in many parts of our country, and fires are caused by farmers with the land in its preparation phase, because of the proximity of the rainy season," it said.

- Different risks -

Though less publicised than the Amazon, the Congo Basin forests still face dangers.

"The forest burns in Africa but not for the same causes," said Tosi Mpanu Mpanu, an ambassador and climate negotiator for the DR Congo.

"In the Amazon, the forest burns mainly because of drought and climate change, but in central Africa, it is mainly due to agricultural techniques."

Many farmers use slash-and-burn farming to clear forest. In DR Congo, only nine percent of the population has access to electricity and many people use wood for cooking and energy.

DR Congo President Felix Tshisekedi has warned the rainforests are threatened if the country does not improve its hydro-electric capacity.

Deforestation is also a risk in Gabon and parts of the DR Congo, as well as damage from mining and oil projects.

Some countries are now implementing stricter environmental policies. Gabon, for example, has declared 13 national parks that make up 11 percent of its national territory.

DR Congo has declared a moratorium on new industrial logging licences but that has not stopped artisanal cutting, which industrial loggers can exploit.

"We need to protect the forests that are still largely intact and stop degradation," said Greenpeace's Verbelen. "The forests that are still intact remain an important buffer for future climate change."

G7 pledges millions to fight Amazon fires
Biarritz, France (AFP) Aug 26, 2019 - The G7 will give $20 million (18 million euros) to send firefighting planes to tackle the blazes engulfing parts of the Amazon, the presidents of France and Chile said Monday.

"We must respond to the call of the forest which is burning today in the Amazon," France's Emmanuel Macron said as President Sebastian Pinera of Chile, a guest of the G7, underlined that "countries of the Amazon are in dire need of fire brigades and water bomber planes."

Nearly 80,000 forest fires have been detected in Brazil since the beginning of the year -- just over half of them in the massive Amazon basin.

Macron had declared the situation an "international crisis" and made it a priority of the summit of the G7, which comprises Britain, Canada, France, Germany, Italy, Japan and the United States.

G7 leaders gathered in Biarritz held talks on the many environmental challenges facing planet Earth, with a focus on the record number of fires destroying swathes of the Amazon.

Macron has threatened to block a huge new trade deal between the EU and Latin America unless Brazilian President Jair Bolsonaro, a climate change sceptic, takes serious steps to protect the fast-shrinking forest from logging and mining.

Bolsonaro lashed out at the French leader over his criticism and suggested NGOs could be setting the fires to embarrass him -- without giving any evidence to back the claim.

But at the weekend, he finally caved in to international pressure to save a region crucial for maintaining a stable global climate, deploying two aircraft to douse fires and authorising the army to help tackle the blazes.

- 'Universal heritage' -

Canadian Prime Minister Justin Trudeau announced his country would send a water bomber plane to fight the Amazon blazes and contribute some $15 million to the effort.

The G7 also agreed to support a reforestation plan to be unveiled in September, the leaders said.

Brazil would have to agree to any reforestation plan, as would indigenous communities living in the world's biggest rainforest.

UN Secretary General Antonio Guterres said new planting was needed "to preserve this universal heritage, which is absolutely essential for the well-being of the world's population."

He said the issue would be discussed during the UN General Assembly in New York in September.

Macron told France 2 it was hoped "at least 30 million" dollars could be raised for the project.

On Monday evening, the French leader met Brazilian indigenous chief Raoni Metuktire, who said he had asked Macron to "help us preserve our lands."

"The forests and lands of Brazil help the entire planet live," said the chief, an advocate for indigenous rights.

Greenpeace executive director Jennifer Morgan welcomed the G7 aid, but said the club must also "stop fuelling the destruction of the Amazon through the import of agricultural products associated with deforestation and soil degradation."

British Prime Minister Boris Johnson promised 10 million pounds ($12 million) for Amazon reforestation projects, while luxury fashion giant LVMH pledged 10 million euros.

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