World must triple investment in renewable energy: UN report

Global investments in renewable energy should be tripled by 2050, in order to put the world on the trajectory towards net zero emissions, according to the latest report released by the World Meteorological Organization (WMO).

The supply of electricity from clean energy sources must be doubled within the next eight years, or global energy security could be undermined, the report was quoted by Xinhua news agency as saying.

According to the WMO’s 2022 State of Climate Services report, climate change is putting global energy security at risk. The effects of climate change, including more frequent and intense extreme weather, are directly affecting fuel supply, energy production, and energy infrastructure.

Although water resources are scarce on a global scale, 87 per cent of global electricity generated from thermal, nuclear and hydroelectric systems in 2020 directly depended on the availability of water. Some 33 per cent of the thermal power plants that rely on freshwater for cooling are in high water stress areas, as are 15 per cent of existing nuclear power plants — a figure that could rise to 25 per cent in the next 20 years.

“Net zero by 2050 is the aim. But we will only get there if we double the supply of low-emissions electricity within the next eight years,” said WMO Secretary-General Petteri Taalas.

“The energy sector is the source of around three-quarters of global greenhouse gas emissions. Switching to clean forms of energy generation, such as solar, wind and hydropower — and improving energy efficiency — is vital if we are to thrive in the twenty-first century,” he added.

“Time is not on our side, and our climate is changing before our eyes. We need a complete transformation of the global energy system,” the WMO chief warned.

Africa could be a major renewables player in the future, the report says. Africa is already facing severe effects from climate change, including massive droughts. The declining cost of clean technology holds new promise for Africa’s future, and there is a huge opportunity for Africa to help close the gap in the need for renewable energy.

By 2050, global electricity needs will mainly be met with renewable energies, with solar power set to be the single largest source. However, although Africa is home to 60 per cent of the best solar resources globally, it only has one percent of installed photovoltaic capacity.

In order to provide access to modern energy for all Africans, an investment of $25 billion annually is required, the report says. This represents around one per cent of current global energy investment.

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