UK Net Zero in 2026: How Much Progress Has Actually Been Made?
The UK was the first major economy to legislate net zero by 2050. Six years into the decade of the 2020s, how much of the required change…
Elena Marsh
Elena Marsh
Environment & Climate Correspondent
Elena Marsh reports on climate, energy and conservation, with a focus on the science and policy shaping the planet's future.
What Is ESG? A Clear Guide to Environmental, Social and Governance
ESG stands for Environmental, Social and Governance — the three lenses used to judge how responsibly a company operates. Here is what each…
Elena Marsh
What Is Biodiversity and Why It Matters
Biodiversity is the variety of life at every level, from genes to species to whole ecosystems. Here is what it means, the services it…
Elena Marsh
How Solar Panels Turn Light Into Electricity
Solar panels convert sunlight directly into electricity using the photovoltaic effect. Here is what happens inside a solar cell and what…
Elena Marsh
The Carbon Cycle Explained
Carbon constantly moves among the atmosphere, oceans, land and living things. Here is how that natural cycle works and how human activity…
Elena Marsh
The Circular Economy: What It Is and Why It Matters
The linear "take-make-dispose" economy is unsustainable. Here is what a circular economy is, what it would require and how far we currently…
Elena Marsh
How to Travel More Sustainably — Without Giving Up Flying Entirely
Aviation is responsible for around 2.5% of global CO2 emissions. Here is a realistic look at what travellers can do to reduce their impact.
Elena Marsh
Fast Fashion and the Environment: The Full Cost of Cheap Clothes
The fashion industry is one of the world's most polluting sectors. Here is what the environmental evidence shows and what can actually be…
Elena Marsh
The Case Against the Gig Economy
The gig economy has created flexibility but has also eroded worker protections. Here is the case against the current model and what better…
Elena Marsh