State of the Planet

News from the Columbia Climate School

Tree Ring Lab5

  • Charismatic Megaflora: What do Old Trees Look Like?

    Charismatic Megaflora: What do Old Trees Look Like?

    Charismatic megaflora? What kind of a tree might that be? As with many things, one person’s charismatic megaflora is another person’s tree. For myself, a tree that would draw and hold my attention as a younger person/student is very different than my current definition of a charismatic tree.

  • Year Without a Winter?

    Year Without a Winter?

    No, of course not. Do not suggest anything like that to Alaskans, or Europeans where hundreds have died, or Inner Mongolians, or Koreans. But, turning the clock back to December and January for the New York City region, it was not apparent that winter would arrive as it ‘normally’ does. Yes, we have had significant…

  • Science Education with Trees and Canoes

    Science Education with Trees and Canoes

    Students from New York City, Singapore and the Netherlands test their skills this weekend in the woods and on the water near Lamont-Doherty Earth Observatory in the International Student and Teacher Exchange Program.

  • Down by the River, Running Out of Water

    Too little water for too many people is a growing problem in poor countries–and in thriving suburban Rockland County, N.Y., just north of New York City. A new website, Water Resources in Rockland County, lays out the case, and neatly puts it into global context. The site is run by the Earth Institute’s Center for International Earth Science Information Network…

Banner with images representing environmental issues and text "You Asked: Our Scientists and Experts Answer Your Burning Questions."

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!

  • Charismatic Megaflora: What do Old Trees Look Like?

    Charismatic Megaflora: What do Old Trees Look Like?

    Charismatic megaflora? What kind of a tree might that be? As with many things, one person’s charismatic megaflora is another person’s tree. For myself, a tree that would draw and hold my attention as a younger person/student is very different than my current definition of a charismatic tree.

  • Year Without a Winter?

    Year Without a Winter?

    No, of course not. Do not suggest anything like that to Alaskans, or Europeans where hundreds have died, or Inner Mongolians, or Koreans. But, turning the clock back to December and January for the New York City region, it was not apparent that winter would arrive as it ‘normally’ does. Yes, we have had significant…

  • Science Education with Trees and Canoes

    Science Education with Trees and Canoes

    Students from New York City, Singapore and the Netherlands test their skills this weekend in the woods and on the water near Lamont-Doherty Earth Observatory in the International Student and Teacher Exchange Program.

  • Down by the River, Running Out of Water

    Too little water for too many people is a growing problem in poor countries–and in thriving suburban Rockland County, N.Y., just north of New York City. A new website, Water Resources in Rockland County, lays out the case, and neatly puts it into global context. The site is run by the Earth Institute’s Center for International Earth Science Information Network…