Brief

The Harvard Climate Brief brings Harvard faculty expertise on climate change and sustainability to the wider world. Authors’ views are their own. Republish.

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Young oak sprout

What oaks teach us about biodiversity

Oak trees, with more than 430 species worldwide, help us see how biodiversity is built over evolutionary time – and why that matters as forests face climate change and ecological disruption.
Biodiversity
Thu, May 7, 2026
A forest and soil

The science of measuring carbon in forests and soils

As forests become more central to climate policy and carbon markets, researchers are trying to pin down how much carbon they hold above ground – and below.
Carbon Pricing Climate Policy
Tue, Apr 28, 2026
data center viewed from the air

On data centers, local vibes matter more than electricity prices – poll

New polling suggests the biggest question for many Americans is not what data centers might do to power bills. It is what they might do to life in the community.
Energy
Tue, Apr 21, 2026
Harvesting in Tajikistan (David Trilling)

What war and climate change mean for staple food prices

In 2026, conflict and climate risks are colliding, pushing up costs and exposing the fragility of the global food system.
Climate Adaptation Transportation
Thu, Apr 16, 2026
Worcester

Climate migration is already reshaping American cities

Are cities prepared? Worcester offers a case study.
Climate Policy
Mon, Apr 13, 2026
Tailings in Picher, Oklahoma, part of the Tar Creek Superfund Site (Adobe)

Superfund ruling allows compensation for Tribal cultural loss

Polluters may be liable not only for contaminated land and water, but also for disrupting Tribal ways of life.
Law & Policy
Mon, Apr 6, 2026
spring in Boston

Climate change and pollution are worsening your allergies

An allergist explains how longer pollen seasons, pollution, and milder winters are changing symptoms – and how to prepare.
Health
Mon, Mar 30, 2026
Raphael Kay and Rafiq Omair

Harvesting heat and electricity from the sun, when you need it

A solar harvester developed by Harvard engineers uses simple components to produce warmth on cold days and electricity on hot days, passively toggling between modes as the temperature changes.
Energy
Tue, Mar 24, 2026

All perspectives expressed in the Harvard Climate Brief are those of the authors and not of Harvard University or the Salata Institute for Climate and Sustainability. Any errors are the authors’ own. The Harvard Climate Brief is edited by an interdisciplinary team of Harvard faculty.