Guanacaste
And the Story Behind the Science…
This summer, Mongabay founder Rhett Ayers Butler published a wonderful profile of Dan Janzen, Winnie Hallwachs and the more than half-century of science and conservation...
One Protected Area. 1.6 Million Insects. A New Estimate of Life...
How many insect species are there on Earth? A remarkable dataset built over decades in Área de Conservación Guanacaste is helping scientists answer that...
Greetings from the Rainy Season 2026
Dear Friends,
It has been a busy few months in Área de Conservación Guanacaste (ACG) — which, admittedly, is something we could say almost any...
Bringing a Tropical Forest Back to Life
Walk through parts of northwestern Costa Rica today and you might assume the forest around you has always been there.
Understanding the importance of Costa...