Spanish PM and Catalan president rehearse political agendas at time of crisis

Only fragments of Barcelona’s Llobregat Delta remain. Can it be saved?

Local groups that cherish our wetlands get a presidential welcome for their projects

Hikers and nature-lovers are unhappy about hard-track plans for Irish waterways

Don’t dismiss that patch of nettles as ‘weeds’: it is prime butterfly habitat

Global Witness co-founder Patrick Alley exposes links between ecocide and genocide

Wytham Woods tells many stories, not least of the worryingly slow recovery of some species

This week’s episode also looks at disarming of Basque separatist group Eta

Surrender of weapons expected to end group’s four decades of armed struggle

Managing flooding, and managing water generally, are major challenges that need widespread citizen engagement. Fethard in Tipperary offers a way forward.

The bird was injured. Should I kill it? Let it die? Or get help?

Anyone visiting Florida should read Marjory Stoneman Douglas’s book, which helped the Everglades to flourish again

When it comes to preserving biodiversity, governments are all talk and no action. It will take more than the UN’s Cancún Declaration to reverse habitat loss and extinction

Unless we attend to health of our environment, our economies cannot survive

World powers face major challenges honouring commitments to land restoration

Conservationists are concerned about how the badger cull is being implemented in Ireland – and many fear it’s a poor method of preventing bovine tuberculosis

The Basque Country is best known for its distinctive culture and language, but it is also a treasure house of biodiversity

Can ordinary people do anything practical to slow down climate change? On Girley Bog, near Kells in Co Meath, you can get very wet finding out

Technology is transforming profession of ecology and enhancing scope for precisely targeted work, but some practitioners fear traditional field skills are being lost to computer screens and ever-fancier gadgets

New government should review Arnaldo Otegi case and end prisoner ‘dispersion’

Could mirrors in space save the planet? They could provide Earth with a cosmic sunshade

A remarkable ecological initiative is under way in Rogerstown Estuary, just north of Dublin

Sunday’s elections are being used by political parties as a vote on independence

EU directives bring us conservation benefits, but we must take responsibility ourselves

If seagulls are becoming more aggressive towards humans, then we need to understand how our own changing behaviour has changed theirs

There is no necessary conflict between conservation and landowners’ interests

Former Arts Council drama officer encouraged women ‘to aim higher and go further’

Opinion: hard engineering is not the answer to our flooding crisis – and has been a large part of the problem

Gordon D’Arcy’s manual for schools taps childrens’ creativity to engage them with the natural world

From cacao fruit to nutmeg, seeing ingredients in the wild helps us connect the food we eat with our knowledge of how it is produced

Waterford’s geopark reveals what lies beneath our landscape, the long history of how it got there and how its minerals moulded our history

The kind of passion that drove a childhood birdwatcher also lies behind an enormous atlas of birds in Ireland and Britain, based on 19 million records, that will guide conservation policy for years to come

Highland cattle around Lucan, Malahide and Baldoyle? The way they eat, and trample the ground, has surprising benefits for biodiversity, helping to bring rare plants back to life

Radical approach of ‘ecological restoration’ urged in new book by Paddy Woodworth

Tree trails in public parks help adults and children engage with their surroundings, but the explanatory plaques are irresistible to some

Citizen scientists already monitor the weather for Met Éireann. Now many have a new job: measuring ammonia emissions

The environmental strategy of restoration means re-creating lost ecosystems for some. For other people it’s about managing the new ones that are developing

Ecological restoration may be our last best hope for a sustainable future, according to the author, in an account of how he came to write ‘Our Once and Future Planet: Restoring the World in the Climate Change Century’, his new book on this radical conservation strategy

Janice Fuller has found that engaging with communities around Ireland at grassroots level helps to focus and harness goodwill