![IJERPH | Free Full-Text | How Much Are People Willing to Pay for Clean Air? Analyzing Housing Prices in Response to the Smog Free Tower in Xi'an IJERPH | Free Full-Text | How Much Are People Willing to Pay for Clean Air? Analyzing Housing Prices in Response to the Smog Free Tower in Xi'an](https://pub.mdpi-res.com/ijerph/ijerph-18-10210/article_deploy/html/images/ijerph-18-10210-g001.png?1633932632)
IJERPH | Free Full-Text | How Much Are People Willing to Pay for Clean Air? Analyzing Housing Prices in Response to the Smog Free Tower in Xi'an
![From ionising towers to bicycles, Dutchman's smog-removing inventions stand to clear the air in polluted China | South China Morning Post From ionising towers to bicycles, Dutchman's smog-removing inventions stand to clear the air in polluted China | South China Morning Post](https://cdn2.i-scmp.com/sites/default/files/images/methode/2017/06/12/eac023dc-4f35-11e7-b896-7f2d3a4d650b_1320x770_141356.jpg)
From ionising towers to bicycles, Dutchman's smog-removing inventions stand to clear the air in polluted China | South China Morning Post
![From ionising towers to bicycles, Dutchman's smog-removing inventions stand to clear the air in polluted China | South China Morning Post From ionising towers to bicycles, Dutchman's smog-removing inventions stand to clear the air in polluted China | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/styles/1200x800/public/images/methode/2017/06/12/29dfe3aa-4b34-11e7-a842-aa003dd7e62a_600x_141356.jpeg?itok=jIxgvfNs)