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Since the start of this year, Africa’s most populous nation Nigeria has faced prolonged stretches of severe heat.

A recent quick-fire analysis found that the conditions in February, when temperatures exceeded 40C, were made 10 times more likely by human-caused climate change.

But the heat is still ongoing, with temperatures reaching a record 44.8C in Sokoto, a city in north-western Nigeria, on 1 April.

With records of heat and its impacts lacking in Nigeria, Carbon Brief speaks to doctors, farmers and meteorologists about how this episode of extreme weather is affecting the country.

Health impacts

The ongoing extreme heat in Nigeria is having a range of health impacts – and most of these are not being routinely recorded, experts tell Carbon Brief.

Extreme Temperatures Around The World on X/Twitter (@extremetemps): extreme heat across Africa

On 28 March, Nigeria’s national electricity grid collapsed, plunging the country into a general blackout for the second time during the heatwave.

Despite its wealth of oil and gas, blackouts are common in Nigeria and many people rely on petrol and diesel generators to cool their homes. However, fuel prices have skyrocketed in the past year, putting such alternatives out of the reach for many Nigerians.

The impact of the heat is “catastrophic”, Dr Ugo Uguwanyi, a doctor in Abuja, Nigeria’s capital city, tells Carbon Brief:

“Don’t even bother to step out from 10am to 6pm. And make sure you burn the diesel to power the air conditioning to be able to sleep at night.”

Information about the heatwave’s impact is limited, but this does not mean the weather conditions are not dangerous, according to the authors of the recent analysis into the role of climate change in Nigeria’s extreme heat. Rather, a lack of systematic reporting may obscure what they described as a “silent killer”.

The study’s authors called for “improved monitoring and research on the impacts and risks associated with heatwaves”.

Nigeria’s dry season runs approximately from December through to March – although it is longer in the north of the country and shorter in the south. Temperatures build during this season, typically bringing more reported cases of “meningitis, stress, stroke, blood pressure and stroke”, Dr Uguwanyi says.

Such cases are likely to increase during intense heatwaves, which are projected to become more common if global warming continues to accelerate, he adds.

Dr Ebbi Robinson, chairman of the Nigeria Medical Association in the oil-rich, southern state of Rivers, adds that while “there is no specific documentation”, extreme heat typically brings an increase in hospital visits to dermatologists, with symptoms such as rashes and itching.

He says that his association is rolling out new methods to warn people of the health impacts from extreme heat:

“We are making radio jingles and banners to let people know these heatwaves are real and sensitise them on how to mitigate against the direct and indirect consequences.”

In mid-February, the Nigerian Meteorological Agency (NiMet) issued a public forecast warning on the prolonged heatwave.

The agency advised citizens to stay hydrated, wear light clothing and avoid direct exposure to high temperatures during peak periods. A group of Nigerian doctors also issued safety tips.

Wasiu Adeniyi Ibrahim, a meteorologist at NiMet, tells Carbon Brief:

“Heatwaves, characterised by prolonged periods of excessively hot temperatures and humidity, are becoming more frequent and intense.

“We have observed a departure of 2-4C from normal (long-time average temperature, 1991-2020) in the month of February. It is clear that climate change is bringing more and more dangerously hot days to Africa.”

Workforce impacts

In February, NiMet’s director of weather forecast services, Vincent Weli, advised that a state of emergency be declared in states most affected by the heatwave and workers be allowed to take breaks between noon and 3pm. Speaking to Nigeria’s Channels Television, Weli said:

“Of course, you know, with high temperature, cognitive development will be affected and productivity will be affected. There will be a loss of concentration.”

The call was necessary as “the condition was favourable for an outbreak of meningitis”, Ibrahim explains to Carbon Brief:

“We observed high dust concentration combined with this excessive heat which could trigger a meningitis outbreak. Epileptic power supply, low ventilations and other factors could make the situation worse, if not properly controlled.”

Meningitis, an inflammation of the membranes covering the brain and the spinal cord, is more easily spread in extreme heat and dusty conditions.

However, no such directive has been issued by state governments.

“Many state governments in Nigeria are not taking weather and climate information very seriously,” Ibrahim says.

Meanwhile, in Lagos, Nigeria’s most populated city, ride-hailing drivers are operating under “melting” conditions, stuck between preserving their health or livelihood, according to a Rest of World report.

Agricultural impacts

The heatwave is also expected to reduce agricultural productivity, a sector that contributes about 22% to Nigeria’s gross domestic product (GDP) and accounts for more than a third of total employment. Ibrahim tells Carbon Brief:

“Heatwaves can reduce agricultural productivity by causing heat stress to crops and livestock.

“It could negatively affect crop growth and development by disrupting physiological processes, such as photosynthesis, respiration and water uptake. High temperatures can lead to wilting, leaf scorching and reduced nutrient uptake, impairing plant growth, fewer fruits and reducing yields.

“In animals, heatwaves may reduce feed intake, lower weight gain, decrease milk production, reduce reproductive performance and [cause] animal mortality, if proper mitigation measures are not in place.”

Cattle in the shade of a tree in Nigeria.
Cattle in the shade of a tree in Nigeria. Credit: Jorge Fernandez / Alamy Stock Photo

Again, there is not a lot of data on how the current heat is affecting agriculture in Nigeria.

However, the national secretary of the All Farmers Association of Nigeria, Yunusa Halidu, tells Carbon Brief its members expect the heatwave to affect productivity yield this year. He says:

“The heat is extreme this year,although we have been expecting it, as we work with the Nigerian Meteorological Agency. We know it is global warming and we are working to see how we can mitigate the effects.”

The post How Nigeria is reeling from extreme heat fuelled by climate change appeared first on Carbon Brief.

How Nigeria is reeling from extreme heat fuelled by climate change

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The Pacific made history in the courts – now we must do it in the negotiations

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Vishal Prasad is director of Pacific Islands Students Fighting Climate Change.

When the International Court of Justice (ICJ) delivered its advisory opinion on climate change last year, it marked a turning point not just for the Pacific, but for international climate law.

The court was unambiguous: states have legal obligations to protect the environment from greenhouse gas emissions, and they face accountability when they fail. For those of us who carried this campaign from a classroom in Vanuatu to Europe and New York, it was a moment of profound validation.

World’s top court opens door to compensation from countries responsible for climate crisis

But we have always said that the advisory opinion was a tool, not an endpoint. The ICJ affirmed what many in the Pacific have been saying for some time. Now we have a legal blueprint, we must carry this momentum from the courtrooms to the negotiating rooms.

Potential to shape climate politics

The advisory opinion has already begun to reshape the climate landscape. At COP30 in Belém, we saw countries that had supported the campaign citing the opinion in their interventions, while those blocking progress were clearly concerned of its implications. Its potential to shape climate politics and policy is significant.

This year we have arrived at the mid-year climate negotiations in Bonn not only with the advisory opinion, but with a UN General Assembly resolution endorsing it. Despite a fierce campaign from the usual suspects, just eight countries, including the USA, Saudi Arabia, Russia and Iran voted against. That is a victory for multilateralism at a moment when multilateralism is under strain.

UN General Assembly backs “climate obligations” set by world’s top court

But we know that advisory opinions alone are not enough. Legal clarity will not automatically translate into reduced emissions, increased finance flows or stronger national climate plans. That translation requires political will in the negotiating rooms, both here in Bonn and all the way through Fiji and finally in Antalya this November. 

What the Pacific needs from this negotiating year

The Pacific put significant political capital into the joint Australia-Pacific bid for COP31. It is fair to say that the compromise of Australia holding the role of president of negotiations while the COP is held and presided over by Türkiye is not what we imagined.

But we in the Pacific are used to looking for silver linings. Both Australia and Türkiye have acknowledged the important role the Pacific will have at COP31, through the appointment of Pacific champions and the hosting of a Pacific Pre-COP in Fiji with a leaders event in Tuvalu. These are genuine opportunities to bring the world to our shores and ensure that Pacific issues are front and centre going into the final negotiations.

But we are not naive. Envoy positions and meeting locations are just the architecture of goodwill. We need to see that goodwill converted into concrete negotiating outcomes and finance.

COP31 leaders unveil global targets, with spotlight on electrification

The Pacific helped put Australia’s climate minister Chris Bowen in this important position, so we expect to see Australia advocate not only for us, but to turn a mirror towards itself as one of the world’s biggest fossil fuel exporters. 

At Bonn, and then in Antalya, we need ambition on mitigation that reflects the ICJ’s clarity on state obligations and the science. That means action on fossil fuels. 

We need climate finance that is new, additional and accessible to the countries that need it most. In the Pacific we have already demonstrated what that looks like.

The Pacific Resilience Facility is the first climate finance facility designed, governed and managed by Pacific people, built specifically to reach the grassroots and community initiatives that larger funds routinely bypass. We need the international community to meet that ambition with contributions that reflect climate justice, starting with pledges to meet the $500-million capitalisation goal.

And we need the oceans – which are the lifeblood of the Pacific and a critical part of the global climate system – treated as a central element of the negotiations rather than a thematic aside.

Energy crisis driven by imported fossil fuels

The days of speaking about climate and fossil fuels purely as a moral issue are long gone. Pacific ministers recently adopted the Tassiriki Call for a Fossil Fuel Free Pacific, in the context of a deepening energy crisis that has triggered states of emergency in several Pacific nations. Our dependence on imported fossil fuels is both a climate and an economic vulnerability.

Conflict in the Middle East is pushing our region into an energy crisis. We are dependent on imported fossil fuels for 80% of our energy needs. My home country of Fiji could see an increased fuel bill of nearly three times our annual healthcare budget.

Comment: COP31 must persuade countries to make fossil fuel transition plans 

We need the technical and financial support to transition to 100% renewable energy. Not only because it is what the world owes us for decades of carbon pollution that continue to render parts of our home uninhabitable, damaging ecosystems and culture. But because we must be part of that transition. Fossil fuels have proven to be the greatest source of damage to our climate, and with their volatility, to our sovereignty as well.

What next?

The demands have not changed. Greater action on mitigation, adaptation, finance, loss and damage: these remain the substance of what the Pacific requires from the international community. What has changed is the legal foundation beneath them.

The ICJ has affirmed that these are not requests. They are obligations. The task this year is to make the negotiations reflect that.

The post The Pacific made history in the courts – now we must do it in the negotiations appeared first on Climate Home News.

The Pacific made history in the courts – now we must do it in the negotiations

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Biscayne Bay Is Slowly Becoming the Ocean

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A 20-year record reveals an estuary tipping toward a saltier, more acidic state. These conditions threaten its hammerhead shark nursery and the aquifer that supplies Miami’s drinking water.

In the shadow of Miami’s skyline, in water churned daily by boats and jet skis, juvenile great hammerhead sharks—a critically endangered species—spend the first two years of their lives. A few miles from downtown, researchers recently pulled a 12-foot critically endangered sawfish from the same shallows. The species has been dying off in alarming numbers across South Florida’s waters since 2024, in an event scientists suspect was set in motion by record ocean heat.

Biscayne Bay Is Slowly Becoming the Ocean

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An Old Well Gushed Waste, Not Oil, in a Small West Texas Town

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The Railroad Commission of Texas shut down injection wells to control a leak in a church parking lot. But 1.5 million gallons of toxic wastewater still spilled to the surface.

GRANDFALLS, Texas—An old oil well sprang back to life under the parking lot of the First Baptist Church of Grandfalls in April.

An Old Well Gushed Waste, Not Oil, in a Small West Texas Town

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