LONDON, England (Reuters) — The lack of space in towns and cities means growing your own vegetables and herbs is often limited to what can fit on your windowsill. But so-called ‘smart gardens’ are bringing the window box in to the 21st century. ‘Click and Grow,’ based in Estonia, is at the forefront of smart garden technology designed to make urban farming easy. At the IFA consumer technology fair in Berlin, the company previewed its […]