Niko Kommenda


Graphics reporter focusing on climate, environment and energy

Education: Cardiff University, MS in Computational Journalism; Vienna University of Technology, BS in Software Engineering

Niko Kommenda is a graphics reporter on The Washington Post's climate and environment team. Before joining The Post in 2022, he worked as a visual journalist at the Financial Times and the Guardian.
Latest from Niko Kommenda

Quiz: Can you guess from these photos how much snow fell across the U.S.?

These photos show recent snowfall in U.S. cities like D.C., Buffalo and Chicago. Can you guess how much it snowed from photos across the country?

January 19, 2024

    Where the world warmed the most in Earth’s hottest year

    A Washington Post analysis of climate data found one-fifth of the planet was 2 degrees Celsius warmer than in the late 1800s, before humans started burning fossil fuels on a large scale.

    January 12, 2024

    On the hunt for climate disease

    As climate change fuels disease, researchers must reinvent how to fight outbreaks. In Peru and the Amazon, AI and drones can identify dengue and malaria cases.

    December 15, 2023

    How soon do you have to buy heat pumps and EVs to avoid climate catastrophe?

    We took a look at how quickly Americans have adopted these technologies — and how much further they need to go.

    November 14, 2023

      How Post reporters mapped India’s hottest neighborhoods

      Using heat sensors mounted on a backpack, The Post found that poorer neighborhoods in Kolkata were often 10 degrees hotter than nearby affluent communities.

      September 26, 2023

      The inequality of heat

      A poor Kolkata neighborhood lost power during a heat wave, unlike a nearby luxury mall. The resulting protest exposed extreme heat’s unequal toll in India.

      September 22, 2023

      Where dangerous heat is surging

      By 2050, over 5 billion people could face at least a month of extreme heat each year. See the risk level in your city.

      September 5, 2023

      Climate-linked ills threaten humanity

      Climate-fueled disease — tied to heat, pathogens and toxins — is an emerging, lethal threat that countries are ill-prepared to confront. The Post visited ground zero for this new era, Pakistan, to see what the future holds.

      September 5, 2023

      Find out just how bad wildfire smoke has been in your area

      Smoke from wildfires in Canada spread record-breaking air pollution across the United States. Use our tool to check the smoke pollution where you live.

      June 29, 2023

        The early heat wave gripping the Northwest is rare — and worrying

        Parts of the Pacific Northwest may reach daily averages up to 30 degrees above normal that could pose health problems this early in the warm season.

        May 13, 2023