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One voice to defend animals and nature

One Voice fights for the respect of animal and planetary ethics. We are fighting many battles because defending animals also means helping humans and protecting our planet. We fight for them sincerely, radically and non-violently.

Our alarm calls for the voiceless

Expérimentation animale
04.05.2026

Mauritius: 446 macaques illegally captured for laboratories and a silent massacre

Depuis leur saisie, seuls 192 ont survécu. One Voice et ses partenaires, inquiets de leur sort, demandent des comptes aux autorités

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Animal testing
06.05.2026

Animal experimentation: France complicit in transfers to a laboratory of shame

One Voice reveals the export of hundreds of young French animals to Vivotecnica, a Spanish laboratory with cruel practices

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Press release

Animaux sauvages
23.04.2026

Court hearing in Marseille: wolves filmed illegally in the Calanques National Park

Filming protected wolves puts them at risk. Let’s put a stop to the hunt for footage!

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All our news

Our battles
today will be our victories tomorrow!

Because we've been working tirelessly for 30 years to defend animals, we're putting in place concrete measures to fight back without going overboard.

Exploitation for the entertainment
Animal experimentation
Exploitation for fashion
Wild animals
Domestic animals
Natural habitat

Freedom of speech

Since 1995, One Voice has been fighting in France and internationally for the respect of our planet and the sentient beings that inhabit it. An independent movement that lasts, thanks to the generosity of donors and volunteers.

Our history

One battle for all

We believe that animal defense must be seen through the prism of the ecosystem as a whole, and that it is based on the unity of combat: the triptych of nature-animals-humans. Each pillar must regain its natural place, and to do so we must profoundly transform our view of and relationship with living beings and society.

Our vision

Non-violent warriors

One Voice stands for non-violent radicalism. To bring about the profound changes needed, we need to get to the root of each problem, and never fight against people, but for ideas and needs.

Our modes of action

Get involved
with One Voice, join us!

Let's join forces and act together for the same fight: for the respect of animal and planetary ethics.

Financial support

One Voice has always relied exclusively on donations. This is what enables us to remain independent. We carry out concrete actions thanks to your generosity: make a donation to keep the fight going!

  • 1 460 members
  • 17 000 regular donors

Financial support

Giving your time

Because time is a precious resource, its value is inestimable in advancing the cause. If you get involved with us, you'll be fighting for a world that's fairer and more respectful of all.

  • 1 750 volunteers

Giving your time

Raise awareness

We believe that One Voice's action is only meaningful through the combined voices of its members, and that speaking out is also a way of taking action. Raise awareness around you to give a voice to the voiceless!

  • 1M followers on social networks
  • 255 000 newsletter subscribers

Raise awareness