This site focuses on an existing method of geo-engineering — rain-making. Proven abilities to make rain are more than 50 years old. There are wide differences in beliefs on effectiveness, and it is not the intention to debate that. It does intend to catalogue events for comparison on outcomes and, more importantly, to avoid potential conflict from rain-making activities that may have international implications or the perceptions of them.
Database of Cloud Seeding Countries
Use is Rain, Hail, or Both//Extent is High, Medium, and Low based on expenditures
| Country | Use* | Extent | Notes | Source |
| Algeria | R | Low | France began testing in 1952 | Arab Cloud |
| Argentina | H | Medium | Hail suppression for southern hemisphere spring planting | NCAR |
| Australia | R | High | Extensive use especially during current drought period, especially in Australian Alps | NCAR |
| Austria | B | Medium | Cloud seeding and hail suppression | NCAR |
| Bulgaria | H | Medium | NCAR | |
| Burkina Faso | R | Low | Proposed | CILSS |
| Brazil | C | Medium | Extensive seasonal use | NCAR |
| Burkina Faso | C | Low | NCAR | |
| Cambodia | R | Low | Cambodia is receiving technical assistance from Thailand | |
| Canada | H | Medium | Hail suppression for spring crops and also storm disbursement. | NCAR |
| Cape Verde | R | Low | Proposed | CILSS |
| Chad | R | Low | Proposed | CILSS |
| Chile | C | Low | NCAR | |
| China | B | High | $100 million year, China building drone fleet. http://www.wired.com/dangerroom/2010/11/weather-machines-origami-drones-and-battlefield-dioramas-inside-chinas-big-air-show/ |
NCAR, Wired |
| Cuba | R | Medium and rising | Extensive seasonal use. Also assisting Venezuela due to drought there. | NCAR |
| France | C | Medium | NCAR | |
| Gambia | R | Low | Proposed | CILSS |
| Germany | H | Medium | Hail suppression largely. | NCAR |
| Greece | B | Medium | NCAR | |
| Guinea Bissau | R | Medium | Proposed | CILSS |
| Hungary | B | Medium | NCAR | |
| India | R | High | Karnataka, Maharashtra, Andhra Pradesh are leading areas. In August 2012, the city of Mumbai paid to induce artificial rains because the Cauvery Basin Dam was low. Antara News, September 11, 2012, “Cloud Seeding in Riau, Jambi, and Central Kalimantan to suppress haze from Forest Fires” | NCAR |
| Indonesia | R | Low | NCAR | |
| Israel | R | Medium | Israel uses cloud seeding to increase precipitation totals during rain events. | NCAR |
| Iran | R | Medium | Central Iran, Yazd | NCAR |
| Iraq | R | Low | Begin 1989 | Arab Cloud |
| Japan | R | Medium | NCAR | |
| Jordan | R | Medium | Begin 1986 | Arab Cloud |
| Korea | R | Medium | Has been used for fog dispersal | |
| Libya | R | Low | Begin 1971 | NCAR, Arab Cloud |
| Malaysia | R | Low | October 2012, Used in Bohol amid severe El Nino cycle. | NCAR |
| Mali | R | Low | Begin in 2005 | CILSS |
| Mauritania | R | Low | Proposed | CILSS |
| Mexico | R | Medium | Help from US | NCAR |
| Morocco | R | Medium | Begin 1983 | NCAR, Arab Cloud |
| Niger | R | Medium | Begin in 2005 | CILSS |
| Pakistan | R | Low | NCAR | |
| Philippines | R | Low | ||
| Saudi Arabia | R | Medium | Begin in 1990, used in Southwest along the disputed Yemen border. | NCAR |
| Senegal | R | Low | Proposed | CILSS |
| South Africa | R | Medium | NCAR | |
| Spain | R | Medium | NCAR | |
| Russia | B | High | Used after Chernobyl to deflect radioactive rain prior to reaching Moscow. | NCAR |
| Syria | R | Low | Begin in 1991 | Arab Cloud |
| Thailand | R | Low | Providing technical assistance to Cambodia | NCAR |
| United Arab Emirates | R | High | US NCAR project begins in 2000 http://www.ral.ucar.edu/projects/UAE/ 2012, misting devices used to create localized rain in Abu Dhabi. |
NCAR, Time |
| United States | B | High | Begin 1946, $15 million year. Extensively used in the west | NCAR |
| Uzbekistan | R | Medium | NCAR | |
| Venezuela | R | Medium | Help from Cuba during drought has led to US fears of dual-use. | Article |
| Zimbabwe | R | Low | NCAR | |
* Cloud seeding for precipitation: rain and snow enhancement (R), hail suppression (H), or both (B).
Note: snow enhancement is used to build snow pack and the build snow for skiing.
Sources:
Africa cloud seeding
http://www.irc.nl/page/10355
CILSS (Committee Against Drought in West Africa)
http://www.cilss.bf/
NCAR (National center for Atmospheric Research)
http://www.ncar.ucar.edu/