After Accidentally Traveling to the Qin Dynasty with an Environmental Protection System

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[If you're interested, check out the upcoming story next door, though it's still just an embryo.]

Qin Yixiang transmigrated.

1.

The System bound to her said: [Congratulations, Host! You will be sent to the Industrial Revolution era to tackle environmental pollution and put sustainable development goals into practice!]

The next second, she was standing on Langya Terrace in 219 BC. The sea breeze was salty and rank, and Xu Fu was nearby making elixirs as the furnace crackled and popped.

Qin Yixiang: "...?"

System: [...Something went wrong, Host. There's no environmental pollution here.]

2.

To complete her mission, Qin Yixiang decided to pose as an immortal. She would use the First Emperor's desire for eternal life as bait to help with... ecological protection.

As a deity, she gave the First Emperor a pill that would clear toxins from his body. "Your Majesty, this pill is called 'System Optimization.' It will help you live longer."

The next moment, the System announced in her mind that the mission was complete.

The System broke down: [You call this environmental protection?!]

Qin Yixiang: "How is cleaning up heavy-metal pollution not environmental protection?"

3.

Ever since arriving in the Qin dynasty, the System had been deeply depressed.

Its KPIs were energy conservation, emissions reduction, and environmental protection, but the Qin dynasty had no factories, only farmland.

So all it could do was watch its Host exploit loopholes:

Qin Yixiang promoted green agriculture, turning human and animal waste into compost and doubling grain yields in Guanzhong. The farmers called it a miracle: a circular agricultural economy, starting with manure.

She used the System to monitor the health of the warhorses, enabling Meng Tian's cavalry to ride a thousand li without tiring. Meng Tian praised her to the skies: protecting species is the foundation of a strong army.

She improved the Zhengguo Canal and calculated the optimal water-salt balance, turning Guanzhong's saline-alkali land into fertile fields. Li Si began looking at her differently: ecological restoration is the foundation of a prosperous state.

4.

Through her tireless efforts, Qin Yixiang turned "harmony between heaven, earth, and humanity, with life flourishing without end" from a slogan into a system, an ideal, and the defining character of an era.

"This is green development in 219 BC, using ideas from two thousand years in the future to give the Qin dynasty a sustainable future."

[Bonus scene]

System: [Host, PM2.5 levels are above the limit! Initiating purification protocol... Wait, that's smoke from a beacon tower. Does that count as a source of pollution?]

Qin Yixiang: "...That's a military signal, not pollution."

System: [According to the Environmental Protection Law, all smoke emissions must be reported. Should I send the First Emperor a correction notice?]

Qin Yixiang: "If you dare send one, I'll dare to die."

※※

Reader's guide:

0. The story is mainly about developing the Qin dynasty. The missions are simple, and there won't be large-scale environmental campaigns or greening projects.

1. The heroine is called an immortal by others and is portrayed as one in the story, but she never literally becomes one.

2. The heroine stands alone, with no romance or romantic interests.

3. The career plot comes first. This isn't a typical wish-fulfillment story, and it develops slowly.

4. Some things are made up. Please don't nitpick the historical details.

5. Parallel universe, not official history.

Blurb screenshotted on 2026.2.22

Theme: Clear waters and green mountains are as valuable as mountains of gold and silver.