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Texte de l’intervention d’Aurélien Barrau au Forum Innovation Sociétale à Lausanne le 29 avril 2026. Lien vers la vidéo dans le document.

L'indice de développement humain ou IDH est un indice statistique composite visant à évaluer le taux de développement humain des pays du monde. L'IDH se fondait initialement sur trois critères : le PIB par habitant, l'espérance de vie à la naissance et le niveau d'éducation des enfants de 17 ans et plus.

liste chronologique des grands Rapports mondiaux sur le développement humain (RDH) du PNUD depuis 1990, avec leur thème principal :

Human pressures have pushed the Earth system deep into the Anthropocene, threatening its stability, resilience and functioning. The Planetary Boundaries (PB) framework emerged against these threats, setting safe levels to the biophysical systems and processes that, with high likelihood, ensure life-supporting Holocene-like conditions. In this Review, we synthesize PB advancements, detailing its emergence and mainstreaming across scientific disciplines and society. The nine PBs capture the key functions regulating the Earth system. The safe operating space has been transgressed for six of these. PB science is essential to prevent further Earth system risks and has sparked new research on the precision of safe boundaries. Human development within planetary boundaries defines sustainable development, informing advances in social sciences. Each PB translates to a finite budget that the world must operate within, requiring strengthened global governance. The PB framework has been adopted by businesses and informed

Simultaneous harvest failures across major crop-producing regions are a threat to global food security. Concurrent weather extremes driven by a strongly meandering jet stream could trigger such events, but so far this has not been quantified. Specifically, the ability of state-of-the art crop and climate models to adequately reproduce such high impact events is a crucial component for estimating risks to global food security. Here we find an increased likelihood of concurrent low yields during summers featuring meandering jets in observations and models. While climate models accurately simulate atmospheric patterns, associated surface weather anomalies and negative effects on crop responses are mostly underestimated in bias-adjusted simulations. Given the identified model biases, future assessments of regional and concurrent crop losses from meandering jet states remain highly uncertain. Our results suggest that model-blind spots for such high-impact but deeply-uncertain hazards have to be anticipated and acc

Although humans have long been predators with enduring nutritive and cultural relationships with their prey, seldom have conservation ecologists considered the divergent predatory behavior of contemporary, industrialized humans. Recognizing that the number, strength and diversity of predator-prey relationships can profoundly influence biodiversity, here we analyze humanity’s modern day predatory interactions with vertebrates and estimate their ecological consequences. Analysing IUCN ‘use and trade’ data for ~47,000 species, we show that fishers, hunters and other animal collectors prey on more than a third (~15,000 species) of Earth’s vertebrates. Assessed over equivalent ranges, humans exploit up to 300 times more species than comparable non-human predators. Exploitation for the pet trade, medicine, and other uses now affects almost as many species as those targeted for food consumption, and almost 40% of exploited species are threatened by human use. Trait space analyses show that birds and mammals threaten

Loss and damage from climate change is already costing vulnerable communities dearly. These communities have played almost no role in causing the climate crisis, yet they are now paying for it with damaged and destroyed homes and schools, lost crops and livelihoods, and the loss of loved ones.

BERLIN, Feb 28 – Human-induced climate change is causing dangerous and widespread disruption in nature and affecting the lives of billions of people around the world, despite efforts to reduce the risks. People and ecosystems least able to cope are being hardest hit, said scientists in the latest Intergovernmental Panel on Climate Change (IPCC) report, released today.

An extreme technologically adapted future has not been defined in the literature. Such a future could be argued to be morally justifiable.However, a highly technologically mediated relationship with the biosphere introduces unique risks. These are likely to endanger humanity and future Earth-originating life-forms as well as creating moral hazard. An extreme technologically adapted future is therefore undesirable compared to restabilising the biosphere.

Plants should be flourishing in these ocean waters with plenty of nutrients and inorganic carbon in the form carbonic acid. It could be possible the phytoplankton are missing key nutrients such as ferric, but why should this be happening now?

Meeting human needs at sustainable levels of energy use is fundamental for avoiding catastrophic climate change and securing the well-being of all people. In the current political-economic regime, no country does so. Here, we assess which socio-economic conditions might enable societies to satisfy human needs at low energy use, to reconcile human well-being with climate mitigation.

A new report, published on 14 March, 2021 in the Royal Swedish Academy of Sciences’ journal Ambio, points out that humanity is hurtling towards destruction unless we have the collective wisdom to change course quickly.

Humans have amazing strengths, but also significant weaknesses. Chief among them, perhaps, is our collective difficulty in grasping the mathematical consequences of exponential growth. Alternative energy technologies have trouble preserving expectations. Human psychology and political/economic institutions turn a technically difficult predicament into a nearly hopeless trap. We are lamentably ill-equipped to appreciate the abnormality of our time and assess a more accurate picture of what long-term “normal” must look like.

La Croix-Rouge française remettra, à l’occasion de la COP 25 qui s’est ouverte lundi 2 décembre 2019 à Madrid, un rapport sur les conséquences des changements climatiques sur la santé, une problématique sur laquelle l’association est fortement engagée.

Aujourd’hui reconnue comme une discipline essentielle, l’agroécologie est hissée par les milieux scientifiques au premier rang des solutions face au changement climatique. L’agroécologie respecte les écosystèmes naturels et intègre les dimensions économiques, sociales et politiques de la vie humaine. Elle conçoit une approche globale qui concilie agriculture, écologie, productivité, activité humaine et biodiversité.

L'avertissement de 15 000 scientifiques à l'humanité sur l'état de la planète – version française intégrale

Mise en garde des scientifiques du monde à l'humanité : deuxième avertissement William J. Ripple, Christopher Wolf, Mauro Galetti, Thomas M Newsome, Mohammed Alamgir, Eileen Crist, Mahmoud I. Mahmoud, William F. Laurance Et 15 364 scientifiques signataires de 184 pays (l’ensemble des signataires est listé en annexe S2)

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Le Mouvement pour l'extinction volontaire de l'humanité, ou VHEMTN 1 (de l'anglais Voluntary Human Extinction Movement), est un mouvement écologiste qui appelle tous les humains à s'abstenir de se reproduire pour provoquer l'extinction progressive de l'humanité.

In 1973, Ernest Becker, a cultural anthropologist cross-trained in philosophy, sociology, and psychiatry, invoked consciousness of self and the inevitability of death as the primary sources of human anxiety and repression. He proposed that the psychological basis of cooperation, competition, and emotional and mental health is a tendency to hold tightly to anxiety-buffering cultural world views or “immortality projects” that serve as the basis for self-esteem and meaning. Although he focused mainly on social and political outcomes like war, torture, and genocide, he was increasingly aware that materialism, denial of nature, and immortality-striving efforts to control, rather than sanctify, the natural world were problems whose severity was increasing. In this paper I review Becker’s ideas and suggest ways in which they illuminate human response to global climate change. Because immortality projects range from belief in technology and materialism to reverence for nature or belief in a celestial god, they act bo