Topic
Environment
10 stories, newest first.
- Projects · London
Thames Tideway Tunnel cuts sewage spills by 86% in first year
The Thames Tideway Tunnel has led to an 86% reduction in raw sewage entering the River Thames in 2025, according to Thames Water. The super sewer also prevented approximately 84 tonnes of litter from reaching the waterway.
London3 min readTrust 42 · Craft 61 · Hype 20 - Airports · Heathrow
Heathrow third runway cost rises to £62.5bn
A proposed third runway at Heathrow Airport could cost up to £62.5 billion, according to the Department for Transport. The project's economic benefits are estimated to be very small, while millions of local residents could face significant harm to their health and wellbeing.
Heathrow3 min readTrust 30 · Craft 53 · Hype 65 
WorldHS2 chalk grassland project attracts wildlife
A 127-hectare artificial chalk grassland, built by HS2 using excavated materials, is already attracting diverse wildlife. The Western Slopes project aims to sequester 7% of HS2's construction carbon impact and will open to the public next year.
4 min readTrust 40 · Craft 60 · Hype 20
Projects · South LondonSouthern Water uses fibre optics to detect water leaks
Southern Water is deploying a new fibre-optic leak detection system across its network. Developed by Lightsonic, the technology uses existing telecommunications cables to identify water leaks, aiming to reduce waste and meet regulatory targets.
South London4 min readTrust 42 · Craft 57 · Hype 20
Projects · LondonLondon heat network gets £41m government funding
A major heat network project, the London Strategic Heat Main, has secured £41 million in government funding. The initiative plans to use recycled heat to supply 650,000 homes across London, with initial phases spanning seven boroughs.
London3 min readTrust 60 · Craft 70 · Hype 40- Roads & Driving · London
Lower Thames Crossing uses Europe's largest tunnel boring machine
Construction is underway for the Lower Thames Crossing, featuring Europe's largest tunnel boring machine. The £11bn project aims to enhance connectivity across the South East, double road capacity east of London, and alleviate congestion at the Dartford Crossing.
London5 min readTrust 44 · Craft 67 · Hype 45 
Roads & Driving · M25Engineers Criticise National Highways' Drainage Design Rules
Engineers from nine companies have criticised National Highways' rules for designing road drainage, citing inaccuracies in the Design Palette and insufficient guidance for effective swales. The Road Runoff Group warns these issues could impact water quality and flood risk mitigation.
M254 min readTrust 44 · Craft 67 · Hype 20- Projects · London
TfL Unveils 70+ Measures for Climate Resilience
Transport for London has launched over 70 initiatives to bolster its network against extreme weather and reduce carbon emissions. The updated Corporate Environment Plan for 2026 aims for greater resilience, reliability, and sustainability, with significant investments in sustainable drainage and zero-emission vehicles.
London4 min readTrust 44 · Craft 60 · Hype 40 - Projects · London
TfL Publishes Updated Environment Plan With Over 70 Actions
Transport for London has released a new Corporate Environment Plan detailing more than 70 actions to reduce emissions and improve resilience. Key commitments include expanding Sustainable Drainage Systems and increasing the zero-emission bus fleet.
London4 min readTrust 40 · Craft 60 · Hype 20 - Projects · London
London air quality improves, but pollution gap persists
London's air quality has seen substantial improvements over the last decade, with average nitrogen dioxide levels falling by nearly 38%. However, disparities persist, with more deprived areas and neighbourhoods with larger non-white populations still experiencing higher pollution levels.
London4 min readTrust 70 · Craft 77 · Hype 40