Archive of Human Genius
The world’s largest database of social change milestones, from the first fire to today’s good news.
A Timeline of Human History
We are building the world’s largest database of social change milestones, from the first fire to today’s good news. Change is not only possible, it has happened consistently throughout human history.
Filter by era, country, topic, actor, source, and more.
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2022 C.E.
September 12 Even low-level exposure to these chemicals over a sustained amount of time can lead to serious health effects, including thyroid disease, reduced immune response, and several cancers.
2022 C.E.
September 13 Tokyo's solar mandate represents a structural shift in how major cities can hardwire clean energy into growth itself — not through incentives, but through the building code. Starting in April 2025, builders and developers, not individual buyers, must include solar panels in all new residential construction across the prefecture. Tokyo's 14 million residents make this one of the largest urban solar mandates anywhere, and if other Japanese prefectures follow, the national rooftop footprint could...
2022 C.E.
September 2 The law will also require California-based companies with more than 100 employees to show their median gender and racial pay gaps — a first for a U.S. state.
2022 C.E.
September 12 Blue whales off Sri Lanka finally have a powerful ally in their corner. The world's largest container shipping company voluntarily rerouted its vessels away from waters where pygmy blue whales live and feed — without any regulatory requirement to do so. Scientists estimate a 15-nautical-mile route adjustment could reduce fatal collisions by up to 95% for this resident population. The hope now is that MSC's move pressures international maritime authorities to make the change...
2022 C.E.
September 7 China’s emissions have now fallen year-on-year for four consecutive quarters, extending what was already the longest sustained decline in recent history.
2022 C.E.
September 7 City lawmakers have unanimously approved a measure calling for the decriminalization of psychedelics like psilocybin and ayahuasca.
2022 C.E.
September 4 Hydrogen-powered passenger trains now cover an entire regional rail network in Lower Saxony, Germany — 14 Alstom Coradia iLint trains that have fully retired the diesel locomotives once used on the Cuxhaven-to-Buxtehude lines. Each train pulls oxygen from the air, combines it with hydrogen stored on the roof, and emits only water vapor, traveling roughly 1,000 kilometers between refuels. The regional operator has pledged to never buy another diesel train, citing both climate goals...
2022 C.E.
September 2 In 2020, Hawaii’s Legislature passed a law banning the use of coal for energy production at the start of 2023.
2022 C.E.
August 30 The Offenses Against the Person Act, imported from England, criminalized “unnatural offenses” and carried a maximum penalty of 10 years with hard labor.
2022 C.E.
August 26 California's electric vehicle mandate is one of the most consequential climate policies any U.S. state has ever enacted — and its reach extends well beyond California's borders. Eight other states have already committed to following the same zero-emissions standard, making this effectively a national policy for a large share of the American car market. The rule phases in gradually, giving automakers time to adapt. Still, uneven charging infrastructure and vehicles priced out of reach...
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