Treeline UK / The field log

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  1. Science

    Year one of the peat rewetting trial

    We blocked drainage canals on 120 hectares of drained peatland to raise the water table. After a year the peat is wetter, and the fire risk has dropped sharply.

    Borneo, Indonesia
  2. Field notes

    Solar pumps kept the seedlings alive through a dry January

    The short rains failed. Two solar-powered pumps and a drip line kept 60,000 young trees watered until the ground had moisture of its own.

    Kenya Highlands, Kenya
  3. Policy

    Where every pound went in 2025

    Our 2025 accounts are published. 87p of every pound of public donations reached the field. Here is the breakdown and the awkward bits.

    London
  4. Field notes

    Counting the damage after Cyclone Faly

    Cyclone Faly crossed two of our coastal sites in December. We lost roughly 40,000 young trees. The mangroves held.

    Madagascar
  5. Policy

    The winter appeal closed at £1.2 million

    The 2025 winter appeal raised £1.2 million from just over 19,000 donors. It funds the 2026 planting season across all seven landscapes.

    London
  6. Science

    The Kenya sites passed their first independent carbon check

    An outside auditor measured the carbon stored on our oldest Kenyan plots. The verified figure came in 6% below our own estimate, which we are glad about.

    Kenya Highlands, Kenya
  7. Partnerships

    A co-management agreement with the Salish stewardship council

    We signed an agreement that puts decisions about the Cascadia restoration under shared control with the Salish-led stewardship council.

    Cascadia, USA
  8. People

    A school planted ten thousand trees in a morning

    Three hundred children from a school near Mahajanga planted 10,000 seedlings in one morning, then adopted the plot to weed and water for a year.

    Madagascar