An energy minister is a position in many governments responsible for energy production and regulation, developing governmental energy policy, scientific research, and natural resources conservation. In some countries, environmental responsibilities are given to a separate environment minister.
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Australia: Minister for the Environment and Energy
Azerbaijan: Minister of Energy
Belgium: Ministry of Energy
Brazil: Ministry of Mines and Energy
Botswana: Ministry of Minerals and Energy
Canada: Minister of Natural Resources
Denmark: Minister of Climate and Energy
European Union: European Commissioner for Energy
France: Ministry of Ecology, Sustainable Development and Energy
Georgia: Ministry of Energy of Georgia
Germany: Federal Ministry for Economic Affairs and Energy (since 2013)
Greece: Minister for the Environment, Energy and Climate Change
Hong Kong: Secretary for the Environment
Iceland: Ministry of Industry, Energy and Tourism
Indonesia: Minister of Energy and Mineral Resources
Ireland: Minister for the Environment, Climate and Communications
Israel: Ministry of Energy
Manitoba: Minister of Science, Energy, Technology and Mines
Myanmar:Ministry of Electricity and Energy
Lithuania: Ministry of Energy
Malaysia: Minister of Natural Resources, Environment and Climate Change
Moldova: Ministry of Energy
Netherlands: Ministry of Economic Affairs (Netherlands)
Nepal: Ministry of Energy
New Zealand: Minister of Energy and Resources
Pakistan: Ministry of Water and Power and Ministry of Science and Technology
Peru: Ministry of Energy and Mines
Philippines: Secretary of Energy
South Africa: Minister of Mineral Resources and Energy
Sweden: Minister for Enterprise and Energy
Thailand: Minister of Energy
United Kingdom: Secretary of State for Energy and Climate Change (until 2016), Secretary of State for Business, Energy and Industrial Strategy (from 2016)
United States: Secretary of Energy
Vietnam: Ministry of Natural Resources and Environment (Vietnam)
Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction