Iestyn Woolway

A view of Lake Superior, one of the Great Lakes. Travis J. Camp/Shutterstock

July 4, 2025

Underwater lake heatwaves are on the rise, threatening aquatic life

Iestyn Woolway, Bangor University

Subsurface heatwaves are becoming more frequent, longer-lasting and more intense.

Panneaux solaires flottants photographiés en 2022 dans un réservoir d'eau au Kram, à la périphérie orientale de la capitale tunisienne, Tunis. Fethi Belaid/AFP/Getty Images

June 24, 2024

Des panneaux solaires flottants pourraient fournir une grande partie de l'énergie en Afrique

Iestyn Woolway, Bangor University and Alona Armstrong, Lancaster University

Des panneaux solaires flottants installés sur des lacs et des barrages pourraient produire une grande partie de l'énergie en Afrique et empêcher l'évaporation de l'eau douce..

Floating solar panels pictured in 2022 in a water reservoir in Le Kram, on the eastern edge of Tunisia’s capital Tunis. Fethi Belaid/AFP/Getty Images

June 18, 2024

Floating solar panels could provide much of Africa’s energy – new research

Iestyn Woolway, Bangor University and Alona Armstrong, Lancaster University

Floating solar panel systems on lakes and dams could generate much of Africa’s energy, decrease greehouse gas emissions, and stop freshwater evaporating, new research has found.

The decreasing ice cover in northern lakes will severely impact the lake ecology as well as winter recreation activities in the northern region. (Shutterstock)

December 20, 2021

Our lakes are losing their ice cover faster than ever — here’s what that means for us

Sapna Sharma, York University, Canada; David Richardson, State University of New York at New Paltz, and Iestyn Woolway, Bangor University

Lakes in the northern hemisphere are rapidly losing their ice cover due to rising greenhouse gas emissions. The only way to preserve lake ice is to limit GHG emissions and slow down climate change.

Lake Windermere, in England’s Lake District, experiences different mixing processes in its water column. BarnyZ/Flickr

October 25, 2021

Tiny swimming creatures can create currents in lake water – new research

Iestyn Woolway, University of Reading; John Harold Simpson, Bangor University, and Martin Austin, Bangor University

Studies of Lake Windermere show how organisms moving in lakes help keep water layers fresh and reduce greenhouse gas production.

River fish like trout swim close to the river surface as water temperatures rise. (Shutterstock)

July 15, 2021

Extreme heat waves are putting lakes and rivers in hot water this summer

Sapna Sharma, York University, Canada; Iestyn Woolway, European Space Agency, and John P. Smol, Queen's University, Ontario

The growing frequency of climate extremes affected human health and caused wide-scale damages to the ecosystems that people depend upon, including agriculture, fisheries and freshwater.

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