DUBAI, July 1 - Qatar’s ruler reshaped the cabinet to name a woman as top health official and create an environment ministry in the gas-exporting nation but kept key positions including energy, foreign affairs and finance unchanged.

The Emir Sheikh Hamad bin Khalifa al-Thani expanded the cabinet headed by Sheikh Hamad bin Jassim al-Thani to include 20 ministers compared with 14 in the previous government, a decree published by the official Qatari News Agency showed.