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Mitigating climate change: are efforts paying off?

3 episodes
  • 1
    10 years after the Paris Agreement, who are the G20's “good performers”?
  • 2
    Climate: are electric cars on the right track?
  • 3
    CO2: “Nature-based solutions already exist and cost nothing”
Épisode 1/3
On April 23rd, 2025
4 min reading time
PHOTO UP-20230110-TORRES‑2–2‑2
Anna Pérez Català
Head of Research at Institut du Développement Durable et des Relations Internationales

Key takeaways

  • This year marks the 10th anniversary of the Paris Agreement, an international treaty aimed at keeping global temperature rise below 2°C compared to pre-industrial levels.
  • The average temperature over the last decade was already 1.1°C higher than in the pre-industrial period, and we are still far from meeting the mitigation targets.
  • However, some countries stand out for their effective mitigation measures and have succeeded in reducing their greenhouse gas emissions.
  • Ten G20 regions and nations have reached their peak emissions, an essential prerequisite for achieving carbon neutrality.
  • Countries with particularly ambitious targets include the United Kingdom, South Africa and Chile.
Épisode 2/3
On May 14th, 2025
4 min reading time
Anne de bortoli
Anne De Bortoli
Carbon neutrality researcher at Polytechnique Montréal
Photo JPH
Jean-Philippe Hermine
Managing Director of Institut Mobilités en Transition at Institut du développement durable et des relations internationales

Key takeaways

  • Electric vehicles’ share of passenger car sales has grown exponentially, from 1.6% in 2018 to 10% in 2022.
  • Road transport accounts for 12.1% of global greenhouse gas emissions, underscoring the need for electrification in this sector to combat global warming.
  • In 2023, electric cars accounted for 93% of car sales in Norway, 74% in Iceland, 60% in Sweden, 54% in Finland, 41% in Belgium and 38% in China.
  • In the European Union, the goal of banning the sale of combustion engine vehicles from 2035 sends a clear signal to the automotive industry.
  • Electrifying cars is not enough: the SUVisation of vehicles and the rise in demand for transport have a significant environmental impact.
Épisode 3/3
On April 29th, 2025
3 min reading time
Vicent Jassey
Vincent Jassey
CNRS researcher at Centre for Research on Biodiversity and the Environment

Key takeaways

  • Nature-based solutions maximise CO2 storage in biomass and soil, among other things, by relying on natural biological processes.
  • Limiting deforestation and land use allows soils, for example, to store significant amounts of carbon to combat global warming.
  • Soils account for 25% of the storage potential of natural climate solutions, which totals 23.8 billion tonnes of CO2 equivalent per year.
  • In the Northern Hemisphere, the conversion of peatlands to agricultural land released approximately 40 billion tonnes of carbon into the atmosphere between 1750 and 2010.
  • Ecosystem restoration is not instantaneous, making nature-based solutions long-term strategies for combating global warming.