Our drawings
![](/files/collabspace/4/04/304/22304/images/bace8b1d.jpg)
![](/files/collabspace/4/04/304/22304/images/b910657a5.jpg)
Smog of Los Angeles
![](/files/collabspace/4/04/304/22304/images/bdc562dd.jpg)
![](/files/collabspace/4/04/304/22304/images/bbead925.jpg)
Smog of London
![](/files/collabspace/4/04/304/22304/images/b8d938fd.jpg)
Air pollution
![](/files/collabspace/4/04/304/22304/images/b1b8128d.png)
Air pollutants from industry
![](/files/collabspace/4/04/304/22304/images/bc109e7ed.jpg)
![](/files/collabspace/4/04/304/22304/images/bcb23295.jpg)
Ozone hole
![](/files/collabspace/4/04/304/22304/images/c910f9b61.jpg)
Greenhouse effect
![](/files/collabspace/4/04/304/22304/images/beff360d.jpg)
![](/files/collabspace/4/04/304/22304/images/c810059a1.jpg)
Global Warming
![](/files/collabspace/4/04/304/22304/images/bde2382d.jpg)
![](/files/collabspace/4/04/304/22304/images/c610b0701.png)
Nature
![](/files/collabspace/4/04/304/22304/images/b9a3d09d.jpg)
Me and enviroment
![](/files/collabspace/4/04/304/22304/images/bee31175.jpg)
Environmental protection
![](/files/collabspace/4/04/304/22304/images/c011bad25.jpg)
Acid rain
![](/files/collabspace/4/04/304/22304/images/c2120c84d.jpg)
Adverse conditions in Czechowice - Dziedzice
![](/files/collabspace/4/04/304/22304/images/bdd3cfb5.jpg)
Unfavorable situation in Ruzomberok in winter