La Niña 2025: An anomaly that shakes the planet In early 2024, NOAA climatologists sound the alarm: after three years of an unprecedented La Niña - dubbed "triple dip" by the scientific community - the global climate balance remains unstable. Usually, a La Niña phase lasts between 9 and 12 months and returns every two to seven years. But between 2020 and 2023, the Pacific plunged into a triple cold sequence, a rare event that upset established models. Result: deadly droughts in the southern United States, torrential rains in Australia and impacts on global crops, from wheat to coffee. Yet, in the face of this chaos, the scientific consensus wavers. La Niña 2025 is no longer simply a natural cycle: it embodies the uncertainty of climate science, where each forecast collides with poorly understood oceans and limited numerical models. According to renowned oceanographer Carl Wunsch, "Any long or medium term climate...

Ocean Current: Understanding a Balance at the Heart of Global Climate Ocean currents act like immense ribbons transporting heat and nutrients across the oceans. According to the IPCC report (2024), the temperature of the North Atlantic has increased by 1.2 °C since 1900, exceeding the global average of the oceans ((https://www.ipcc.ch/report/ar6/wg1/)). Major currents, including the Gulf Stream, play a central role in the climate stability of many regions, influencing European weather and African monsoons. Alarming signals have appeared: slowdown of the Gulf Stream, reversal of certain flows, and accelerated melting of Greenland. For scientists, the modification of the ocean current is a key indicator of climate change ((https://www.nature.com/articles/d41586-023-01996-7)). A weakening of the Gulf Stream could cause colder winters in Northern Europe and increased heatwaves on the East Coast of the United States. The slowdown of deep currents reduces the ocean's ability to absorb CO₂, thus exacerbating global warming. In 2022, NASA...

The Plastic Crisis: A Quantified Assessment in 2025 Plastic pollution has reached an unprecedented level in 2025. According to the United Nations Environment Programme (UNEP), global plastic production has exceeded...

The Congo Basin: An Invaluable Natural Treasure The Congo Basin forms the second largest rainforest in the world after the Amazon, covering 3.7 million square kilometers across six Central African...

A Vote that Endangers Brazil's Ecological Future The adoption of the "Devastation Bill" by the Brazilian Senate marks a dramatic turning point for environmental protection in the country. This law,...

An Artificial Continent, Fruit of Our Plastic Era The term "7th plastic continent" evokes a striking image: that of a new geographical space, born not from natural processes, but from...

Current Knowledge: What the Climate Scenarios for 2050 Tell Us Climate scenarios for 2050 are based on robust scientific models. The Intergovernmental Panel on Climate Change (IPCC) proposes several trajectories...

Introduction Climate change poses an increasing threat to endangered species worldwide. A recent report published in the journal Nature Climate Change revealed that more than 99% of endangered...

Climate Activism: A Driver of Change? Climate activism has taken a prominent place in public debate, mobilizing millions of people worldwide. Movements like Fridays for Future or Extinction Rebellion have...

Introduction Founded in 1961, WWF International is today one of the most influential non-governmental organizations in the field of environmental protection. With offices in over 100 countries, it is involved...

The Spark of a Dream: The Genesis of the Project In 2011, at just 16 years old, Boyan Slat experienced a life-changing moment while diving in Greece: he saw more...

The Critical Role of Arctic Sea Ice Since 1979, the summer extent of Arctic sea ice has plummeted by roughly 40%, while the oldest, thickest ice cover has been reduced...

The Hipli Concept: Revolutionizing Sustainable Packaging Anne-Sophie Raoult and Lorraine de Maupeou founded Hipli with a clear goal: eliminate disposable packaging. They introduced a robust, washable, and reusable package that...

What is floating wind? Offshore wind energy is divided into two types: fixed offshore wind and floating wind. For fixed offshore wind, wind turbines are anchored on a foundation fixed...

An Artificial Continent, Fruit of Our Plastic Era The term "7th plastic continent" evokes a striking image: that of a new geographical space, born not from natural processes, but from the accumulation of waste resulting from human activity. This term actually refers to a vast area of the North Pacific, also called the "Great Pacific Garbage Patch" (GPGP), where a phenomenal amount of plastic waste is concentrated, trapped by ocean currents. The origin of this phenomenon dates back to the 1950s, with the advent of plastic as the flagship material of the consumer society. Light, resistant, cheap, plastic has revolutionized our daily lives, but its durability has become its greatest flaw. Less than 10% of plastics produced globally are effectively recycled; the rest often ends up in nature, and inevitably in the oceans via rivers and stormwater networks. In the Pacific, ocean currents form what is called a subtropical gyre, a kind...

Introduction Vineyards across Switzerland and Europe are renowned for producing some of the world's finest wines. However, the conventional methods used in viticulture, particularly the application of chemical treatments, have come under scrutiny for their environmental impact. As the world becomes more aware of the importance of sustainable practices, the wine industry is facing pressure to adapt and reduce its reliance on chemicals. The Role of Chemicals in Viticulture Chemical treatments in vineyards primarily include pesticides, herbicides, and fertilizers. These substances are used to protect vines from pests, diseases, and to enhance growth. While effective in increasing yield and maintaining the health of the vines, these chemicals can have detrimental effects on the environment. They can lead to soil degradation, water pollution, and harm to non-target species, including beneficial insects and local wildlife. Environmental Impact of Vineyard Chemicals The environmental consequences of chemical use in viticulture are significant. Pesticides and herbicides can leach into...

The world is on the brink of a packaging revolution, driven by the need for sustainable and environmentally friendly solutions. As traditional plastics continue to pollute our landfills and...

The Hipli Concept: Revolutionizing Sustainable Packaging Anne-Sophie Raoult and Lorraine de Maupeou founded Hipli with a clear goal: eliminate disposable packaging. They introduced a robust, washable, and reusable package that...