encourage

Sending the Tomahawk, advocates say, could encourage other Western nations to provide more in the way of long-range systems.

They encouraged people to honor her memory by donating to a food bank or animal shelter.

John Perry, policy adviser to the Chartered Institute of Housing says: "That's why this idea has currency. It is very encouraging local authorities appear to want to work with the government."

But Beijing authorities have grown suspicious of U.S. listings, encouraging Chinese investors to put money instead into the Hong Kong market.

It is encouraging people to make better use of the existing grid with, for example, its Flip the Switch campaign.