<p>New York City's planners are welcoming the news that many of the city's security bollards, planters and Jersey barriers are going to be removed.</p>
<p>In a sweeping series of budget cuts, Canada's Conservative government has eliminated the only federal support available for municipalities wanting to preserve heritage buildings.</p>
The proposed anti-immigration fence between the United States and Mexico could prove disastrous for the region's wildlife and ecosystems, environmentalists warn.
Venezuela's oil wealth is enabling massive new investments in that country's cities that are mostly benefiting the urban poor. But there are concerns that the strategy is risky and not economically sustainable.
