Building a bird reserve from London earth

Wallasea Island in Essex, England, is Europe’s largest habitat creation project. This reclaimed natural landscape is being built up with spoil excavated from underneath the streets of London, a by-product of the CrossRail engineering project. British builders are carving out lagoons, mudflats and saltmarshes in the hopes of bringing wild birds and other creatures back to the region. … More Building a bird reserve from London earth