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Raining in Amazonian rain forest

A hidden mechanism continuously forms new aerosol particles from gaseous precursors in the Amazon rainforest, challenging previous assumptions about the sources of cloud condensation nuclei and their role in the hydrological cycle and climate. more

Agreement signing ceremony with flags of China and Germany.

New collaborations focus on synthetic biochemistry and the interactions between air pollution, extreme weather, and climate more

Satellite monitoring pollution in cities globally.

Satellite measurements suggest that scientific and government reports don’t capture how methane emissions are rising, which could hamper mitigation efforts. more

a beareded man and a young, brown-red haired woman with glasses, both smiling, kneeling. IN front of them: 4 chihuahuas in front of them.

Dogs leave their mark not only on the floor but also in the air: they alter the composition of their surroundings, from gases and particles to microorganisms.
  more

Molecular structure alongside blue organic forms.

New class of water-soluble proteins opens up applications in freezing technology more

A penguin stands on snowy ground, with a red and blue aircraft in the background.

The SANAT flight campaign investigated the origin and transport of aerosols in the Antarctic atmosphere that cause the formation of clouds – for the first time also far inland
  more

Gerald Haug heads the Council for Sustainable Development.

The director of the Climate Geochemistry Department will assume the honorary chairmanship of the RNE. more

Ice shield in the Southern Ocean

Ice-sheet melt temporarily intensified Southern Ocean stratification more

Eric A. Kort

The atmospheric scientist Eric A. Kort has accepted the appointment as new director of the Atmospheric Chemistry Department at the Max Planck Institute for Chemistry in Mainz.  more

portrait of Stuart Penkett, black and white

Obituary Stuart Penkett

January 23, 2026

The Max Planck Institute for Chemistry mourns the loss of Prof. Dr. Stuart Penkett, who was closely associated with the institute as External Scientific Member for many years. more

European city thru a lense

A European initiative HARMONIE to advance digital twin technology that helps cities reduce pollution and protect public health more

Playa del Carmen, a popular vacation destination on Mexico's Yucatán Peninsula, faces significant Sargassum strandings during summer months, as do other Caribbean coastlines. To maintain beach access for swimmers, the brown algae must be regularly cleared using machinery.

Upwelling of phosphorus-rich deep water promotes an N-fixing symbiont of the Sargassum algae giving it a competitive advantage. more

Jos Lelieveld

Jos Lelieveld from the Max Planck Institute for Chemistry receives the Carl-Friedrich-von-Weizsäcker-Prize. more

Fossil teeth

New isotopic analysis of fossil teeth uncovers how dietary flexibility determined survival or extinction over the last 150.000 years more

dried-out riverbed

New study by the Max Planck Institute for Chemistry shows: The ratio of certain forest scent molecules provides precise insights into the stress state of the rainforest more

Deforestation in the Amazon rainforest is the main cause of reduced rainfall.
Observations from 35 years of Amazon research show the impact of global climate change and local deforestation on the rainforest.

Observations from 35 years of Amazon research show how global climate change and local deforestation affect the rainforest ecosystem more

Researchers deploy oceanographic equipment from a boat.

For the first time in 40 years, the cold, nutrient-rich deep water of the Gulf of Panama did not reach the sea surface. This had a significant impact on local fisheries. more

Measuring instruments on the wing of HALO.

Focus on the clean atmosphere of the Antarctic region more

Invitation to Mainz Science Market.

Mainz Science Market: 13 and 14 September 2025 more

Roman Hoch, Patrick Cramer, giant wheel at the opening of the Max Placnk Campus in Mainz

New research alliance sets impulses for interdisciplinary science and vibrant campus life more

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