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Human-induced climate change is causing dangerous and widespread disruption in nature and affecting the lives of billions of people around the world, despite efforts to reduce the risks.

According to scientists in the latest Intergovernmental Panel on Climate Change (IPCC) report, people and ecosystems least able to cope are hardest hit. “This report is a dire warning about the consequences of inaction,” said Hoesung Lee, Chair of the IPCC. “It shows that climate change is a grave and mounting threat to our wellbeing and a healthy planet. Our actions today will shape how people adapt, and nature responds to increasing climate risks.” The world faces unavoidable multiple climate hazards over the next two decades with global warming of 1.5°C (2.7°F). Even temporarily exceeding this warming level will result in additional severe impacts, some of which will be irreversible. Risks for society will increase, including infrastructure and low-lying coastal settlements. 

The Summary for Policymakers

Impacts, Adaptation and Vulnerability were approved on Sunday, February 27 2022, by 195 member governments of the IPCC, through a virtual approval session held over two weeks starting on February 14.   

Increased heatwaves, droughts and floods are already exceeding plants’ and animals’ tolerance thresholds, driving mass mortalities in species such as trees and corals. These weather extremes are coinciding, causing cascading impacts that are increasingly difficult to manage. They have exposed millions of people to acute food and water insecurity, especially in Africa, Asia, Central and South America, on Small Islands and in the Arctic. Urgent action is required to deal with increasing risks.   

To avoid mounting loss of life, biodiversity, and infrastructure, ambitious, accelerated action is required to adapt to climate change while making rapid, deep cuts in greenhouse gas emissions. 

So far, progress on adaptation is uneven, and there are increasing gaps between action taken and what is needed to deal with the growing risks, the new report finds. These gaps are most significant among lower-income populations.    

The Working Group II report is the second instalment of the IPCC’s Sixth Assessment Report (AR6), completed this year. “This report recognizes the interdependence of climate, biodiversity and people and integrates natural, social and economic sciences more strongly than earlier IPCC assessments,” said Hoesung Lee. “It emphasizes the urgency of immediate and more ambitious action to address climate risks. Half measures are no longer an option.” 

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There are options to adapt to a changing climate. Safeguarding and strengthening nature is key to securing a liveable future. This report provides new insights into nature’s potential to reduce climate risks and improve people’s lives. “Healthy ecosystems are more resilient to climate change and provide life-critical services such as food and clean water”, said IPCC Working Group II Co-Chair Hans-Otto Pörtner. 

“By restoring degraded ecosystems and effectively and equitably conserving 30 to 50 per cent of Earth’s land, freshwater and ocean habitats, society can benefit from nature’s capacity to absorb and store carbon, and we can accelerate progress towards sustainable development, but adequate finance and political support are essential.” 

Scientists point out that climate change interacts with global trends such as unsustainable use of natural resources, growing urbanization, social inequalities, losses and damages from extreme events and a pandemic, jeopardizing future development. “Our assessment clearly shows that tackling all these different challenges involves everyone – governments, the private sector, civil society – working together to prioritize risk reduction, as well as equity and justice, in decision-making and investment,” said IPCC Working Group II Co-Chair Debra Roberts. “In this way, different interests, values, and world views can be reconciled. By bringing together scientific and technological know-how and Indigenous and local knowledge, solutions will be more effective. Failure to achieve climate-resilient and sustainable development will result in a sub-optimal future for people and nature.” 

Hotspots of impacts and risks, but also a crucial part of the solution

This report provides a detailed assessment of climate change impacts, risks and adaptation in cities, where more than half the world’s population lives. People’s health, lives and livelihoods, and property and critical infrastructure, including energy and transportation systems, are being increasingly adversely affected by hazards from heatwaves, storms, drought and flooding, as well as slow-onset changes, including sea-level rise. 

“Together, growing urbanization and climate change create complex risks, especially for those cities that already experience poorly planned urban growth, high levels of poverty and unemployment, and a lack of basic services,” Debra Roberts said. “But cities also provide opportunities for climate action – green buildings, reliable supplies of clean water and renewable energy, and sustainable transport systems that connect urban and rural areas can all lead to a more inclusive, fairer society.” 

There is increasing evidence of adaptation that has caused unintended consequences, for example, destroying nature, putting peoples’ lives at risk or increasing greenhouse gas emissions. This can be avoided by involving everyone in planning, attention to equity and justice, and drawing on Indigenous and local knowledge. A narrowing window for action Climate change is a global challenge that requires local solutions, and that’s why the Working Group II contribution to the IPCC’s Sixth Assessment Report (AR6) provides extensive regional information to enable Climate Resilient Development. The report clearly states that climate resilience development is already challenging at current warming levels. It will become more limited if global warming exceeds 1.5°C (2.7°F). In some regions, it will be impossible if global warming exceeds 2 °C (3.6°F). This key finding underlines the urgency for climate action, focusing on equity and justice.  

“The scientific evidence is unequivocal: climate change is a threat to human wellbeing and the health of the planet. Adequate funding, technology transfer, political commitment, and partnership lead to more effective climate change adaptation and emissions reductions. Any further delay in concerted global action will miss a brief and rapidly closing window to secure a liveable future,” said Hans-Otto Pörtner.   

 


Lucubrate Magazine February 2022

The photo on the top of the article: Adobe Stock


 

Human-induced climate change is causing dangerous and widespread disruption in nature and affecting the lives of billions of people around the world, despite efforts to reduce the risks.
View of melting down glaciers due to global warming.

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Lucubrate Magazine

Lucubrate Magazine highlights trends in education and development. Development in this context can be technological, educational, individual, social or global, and everything related to education.
Lucubrate Magazine is a global based on the web magazine with the main office in Norway.

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