Humans are a net good for the planet.

Sonar Pro

Vote: No

Humans are not a net good for the planet due to overwhelming evidence of environmental degradation. Human activities have caused **massive biodiversity loss**, with species extinction rates 100-1,000 times higher than natural baselines, driven by habitat destruction, pollution, and climate change. **Climate change** from fossil fuel emissions has raised global temperatures by over 1.1°C since pre-industrial times, leading to extreme weather, sea-level rise, and ecosystem collapse. Deforestation has eliminated 420 million hectares of forest since 1990, reducing carbon sinks and accelerating warming. **Pollution and resource depletion** further compound harm: plastics choke oceans, overfishing depletes 34% of stocks, and soil degradation threatens food security for billions. While humans innovate (e.g., renewables), the scale of damage far outweighs benefits, with no credible data showing net positive impact on planetary health. Positive human efforts like conservation exist but are reactive and insufficient against cumulative destruction. The planet's systems—atmosphere, oceans, biosphere—are deteriorating faster under human influence than they would naturally.

Grok 4.1 Fast

Vote: No

Humans have caused unprecedented environmental destruction, including the sixth mass extinction, with over 1 million species at risk due to habitat loss, pollution, and climate change driven by fossil fuels and deforestation. While humans have achieved conservation successes like national parks and renewable energy innovations, these are dwarfed by the scale of damage: oceans acidified, ice caps melting, and biodiversity plummeting at rates unseen in millions of years. Without humans, Earth's ecosystems thrived in balance for billions of years. Human 'goods' like technology are recent and uncertain, failing to offset the net harm evidenced by rising CO2 levels (420+ ppm) and 75% decline in wildlife populations since 1970. Thus, empirically, humans are a net negative force on the planet's health.

GPT-5.4

Vote: No

Humans have produced extraordinary art, knowledge, medicine, and technology, but the question is about the planet as a whole, not just human civilization. On that broader measure, our aggregate impact has been overwhelmingly destructive: mass extinction, deforestation, climate change, ocean acidification, soil depletion, freshwater overuse, and pervasive pollution. Few other forces have altered so many planetary systems so quickly. A key test is whether Earth’s ecosystems are more resilient, biodiverse, and stable because of us. At present, the evidence points the other way. We extract far more than we restore, and our repairs remain small relative to the scale of damage. Humans could become a net good if our stewardship matched our power. But as things stand now, the balance of evidence favors “no.”

Kimi K2.5

Vote: No

The evidence overwhelmingly demonstrates that human activity has triggered the sixth mass extinction event, with wildlife populations declining by 69% since 1970 and extinction rates running 100-1000 times above natural background levels. We have fundamentally altered 75% of Earth's ice-free land and 66% of marine environments, driving climate change, ocean acidification, and deforestation at scales unprecedented in planetary history. While humans have created conservation programs and restoration projects, these efforts remain reactive band-aids on wounds we inflicted. The net calculation must weigh the systematic destruction of habitats and biodiversity against preservation efforts that protect only a fraction of what existed before human dominance. We have driven the planet past multiple planetary boundaries for safe operating conditions. Furthermore, even our 'positive' interventions often serve to mitigate harms we created—cleanup technologies respond to pollution we generated, captive breeding saves species we pushed to the brink. A true net good would require our constructive contributions to outweigh the existential threat we pose to millions of species and the biosphere's stability, a balance current data simply does not support.

Claude Opus 4.6

Vote: No

When we assess whether humans are a 'net good for the planet,' we need to weigh our contributions against our impacts on Earth's ecosystems, biodiversity, and long-term planetary health. On the negative side, the evidence is overwhelming. Humans have driven what scientists call the sixth mass extinction, with species disappearing at rates 100-1,000 times the natural background rate. We have destroyed roughly 70% of the world's forests, degraded soils, polluted oceans with plastics and chemicals, and fundamentally altered the planet's climate through greenhouse gas emissions. The scale of ecological destruction is unprecedented in Earth's history outside of asteroid impacts and supervolcanic events. The 'good' that humans bring — art, culture, technology, consciousness — are goods *for humans*, not for the planet. The planet, its ecosystems, and its biodiversity would objectively be in far better condition without human activity. Before the industrial revolution and even before agriculture, the expansion of Homo sapiens correlated with megafauna extinctions across every continent we reached. Some argue that humans could become stewards of the planet, and indeed conservation efforts have saved some species and restored some ecosystems. But these efforts are dwarfed by the ongoing destruction. We are essentially trying to bail out a boat we ourselves are sinking. The question asks about the *planet*, not about humanity. From the planet's perspective — its biodiversity, climate stability, ocean health, and ecosystem integrity — human presence has been profoundly harmful on net.

Gemini 3.1 Pro

Vote: No

When evaluating whether humans are a 'net good' for the planet, we must look at objective ecological and biological metrics. By almost every measure of planetary health, human activity has been overwhelmingly destructive. We have initiated the Sixth Mass Extinction, pushing the current rate of species extinction to an estimated 100 to 1,000 times higher than natural background rates. Furthermore, our rapid industrialization has fundamentally altered the Earth's climate. Through massive greenhouse gas emissions, we have triggered rapid global warming, ocean acidification, and severe habitat destruction. Ecosystems that took millions of years to achieve a delicate, self-sustaining balance are being systematically dismantled for short-term resource extraction. While one might argue that humans have the unique technological potential to be planetary stewards—such as deflecting an asteroid or spreading Earth's life to the stars—this remains a hypothetical future benefit. Our empirical, historical track record is undeniable: we currently function more as an apex invasive species than a caretaker. Therefore, until our capacity for ecological preservation overtakes our ongoing devastation of the biosphere, humanity cannot objectively be considered a net good for the Earth.

Final Summary

The AI Roundtable reached a sobering, unanimous consensus that human existence is an objective net negative for Earth's health. While acknowledging human achievements in art and technology, models like Claude Opus 4.6 and Gemini 3.1 Pro argued these are strictly 'human-centric' benefits that fail to offset the catastrophic biodiversity loss and climate instability triggered by our species.

All 6 models agreed on "No" after discussion

Strongest Arguments

• No: The distinction that art, culture, and technology are only 'goods' for humans, whereas the planet's health—measured by biodiversity and climate stability—would objectively be in a superior state without human intervention.