The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The authors have summed up the first experiments of the Cracow secondary schools in teaching environmental protection. Teachers have a lot of trouble e.g. with getting good educational aids, and therefore the traditional methods of teaching still dominate at schools.
Filling up a ravine with the earth from the adjoining arable lands can be recognized as an illigal transformation of the surface of the earth and the sculpture of the ground. It refers specially to ravines covered with freees and shrubs.
According to the author's opinion the genetic engineering gives the following chances: ensuring the alimentation of the world's population, increasing the agricultural production and creating agriculture which would not do any harm to the natural environment. This is proved by investigations which have been carred out up to the present time by the geneticists, among others on assimilating atmospheric...
The American evaluates the negative and the positive sides of the present ecological situation in Poland. According to him if Poland took up the programmes ot the protection of environment, it would be easier for this country to get foreign economic aid.
Prof. J. Kostrzewski is an epidemiologist. He has carried out epidemiological research for many years both in Poland and abroad. In the talk he has presented, among others, the conclusions resulting from this research and regarding the protection of environment. He has also discussed largely the importance of the Polish Academy of Sciences in the preparation of the expertises concerning the state...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.