State of the Planet

News from the Columbia Climate School

Energy21

  • China, coal liquefaction, and more…

    The NYT’s Andy Revkin notes that China opened its first large-scale coal-to-liquid (CTL) facility on December 30. CTL technology, which converts coal into liquid fuel such as gasoline or diesel, has been around since the early 20th century, but has only been widely used twice – in Germany during World War II and in South…

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • China, coal liquefaction, and more…

    The NYT’s Andy Revkin notes that China opened its first large-scale coal-to-liquid (CTL) facility on December 30. CTL technology, which converts coal into liquid fuel such as gasoline or diesel, has been around since the early 20th century, but has only been widely used twice – in Germany during World War II and in South…