This weekend English Heritage is celebrating 100 years since Stonehenge passed from private to public ownership. John Powell considers the effects of public ownership of heritage sites and the continued need for limiting access.
On wildflowers

The winter of 2017/18 has been unusually long and cold. As spring finally appears to be establishing itself, John Powell revisits in part, a post he wrote two years ago and further considers how wildflowers can be considered public goods and how recent changes in EU legislation should protect insect pollinators.
Water – exploring the multiple facets of an essential shared resource
Blogging on the Commons
The real ‘tragedy of the commons’

It is fifty years since Garrett Hardin’s paper ‘Tragedy of the Commons’ was published. In his latest blog post, senior research fellow, John Powell discusses this article, which continues to be cited and used throughout the world, despite the fact that Hardin’s conceptual framework is, and always has been, flawed.
Time as a complex and expanding, but limited, resource – Part three: Living in the present – what should we do now?
Time as a complex and expanding, but limited, resource – Part two: Looking at time past, and back towards time future

Before Christmas, John Powell published the first part of a series of blog posts concerning time as a resource. In this second post, he discusses looking back and forwards in time, and how choices made by ourselves or others can set us along a particular path – one that we may not always be happy with.