menu_open Columnists
Isabelle Gerretsen

Isabelle Gerretsen

BBC

We use cookies to provide some features and experiences in QOSHE

More information  .  Close

The maritime lions hunting seals on the beach

In Namibia, a group of desert lions have left their traditional hunting grounds for the Atlantic coast, to become the world's only maritime lions. One...

sunday 550

BBC

Isabelle Gerretsen

The best science pictures of the week

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders. Record warm seas have brought an...

17.08.2025 30

BBC

Isabelle Gerretsen

The flood warnings that people actually listen to

When floods hit, getting clear, timely warnings out to people becomes lifesaving, but too often these messages fail. The BBC asks disaster experts...

08.08.2025 60

BBC

Isabelle Gerretsen

The dramatic photo of huskies walking on water

In 2019, climate scientist Steffen Olsen took a startling photo of huskies appearing to walk on water. The photo quickly went viral as it revealed the...

18.03.2025 100

BBC

Isabelle Gerretsen

Why do we throw away the best bit of our fruit?

Instead of throwing away edible and nutrient-rich peel of bananas, oranges and other fruits and veg, here are five ways to make the most of them. It...

26.01.2025 100

BBC

Isabelle Gerretsen

Expert tips for staying active in cold weather

It can be difficult to find motivation to keep fit when it's cold and dark outside. Here are some expert tips on how to stay active during the winter...

24.01.2025 20

BBC

Isabelle Gerretsen

Seven proven ways to help the planet in 2025

Slowing down climate change is an immense task, but small individual actions can add up to help reduce emissions. In 2024, the critical 1.5C...

03.01.2025 100

BBC

Isabelle Gerretsen

Seven climate wins you may have missed in 2024

Global temperatures rose and extreme weather ramped up, but there were also some significant breakthroughs for the climate this year. Here are...

17.12.2024 300

BBC

Isabelle Gerretsen

The luxury fish we thought we'd saved

Once pushed to the brink of extinction by overfishing, bluefin tuna has experienced a spectacular rebound in recent years. But can it survive the...

13.12.2024 30

BBC

Isabelle Gerretsen