But not everyone is sure that President-elect Donald Trump’s talk of annexing Canada and Greenland and reclaiming the Panama Canal is driven by a deeper strategy.

Global warming is making both places more important to global shipping and trade. To imagine the kind of future a hotter, dryer climate may bring, and the geopolitical challenges it will create, look no farther than two parts of the world that Donald Trump wants America to control: Greenland and the Panama Canal.

Trump again having designs on Greenland comes after the president-elect suggested over the weekend that the U.S. could retake control of the Panama Canal if something isn't done to ease rising shipping costs required for using the waterway linking the Atlantic and Pacific oceans.

President-elect Trump has spent parts of the holiday season vowing to take over the Panama Canal, calling for the U.S. to buy Greenland from Denmark and suggesting Canada could become the 51st state.

President-elect Donald Trump spent Christmas Day laying out his foreign policy aspirations for his second term, including his threat to retake control of the Panama Canal. He also suggested the U.S. could take control of Greenland and Canada.

Trump again having designs on Greenland comes after the President-elect suggested that the U.S. could retake control of the Panama Canal.

President-elect Donald Trump has once again repeated his desires for U.S. territorial expansion. In a message delivered on Christmas Day, Trump took aim at the Panama Canal and Greenland, while also addressing Canadian Prime Minister Justin Trudeau directly.

Trump combined his Greenland takeover fantasies, Trudeau trolling and Panama Canal gripes into one Christmas wish

In recent weeks, elected US President Donald Trump has been contemplating the idea of seizing Greenland, returning the Panama Canal, and proposing making Canada the 51st state. These statements may be related to his policy of countering Russia and China,