How big a dam? The very largest could just be a step too far, with the vast eco-resources of a river destroyed, along with all that depends on the rivers heart-its resident species. Smaller dams mean much less loss of migration opportunity, more room for natural river systems and less disruption of the river bed and its riparian species.
How to celebrate UN Day? We suggest it is entirely up to you. Sit down and read uplifting material; worry about progress in one part of the world; get up and volunteer in any way you think right; object to one aspect of the organisation just as everybody else seems to do; whatever --- enjoy the chance it gives you to be universal!
The modern Eurasian ancestors roamed across Siberia according to a new study, but another paper revealed DNA-enhancing technology using part of prehistoric skulls. We now know roughly when our genes adapted to farming, less sunlight and many other technological advances we made in the past.
How do you maintain your environmental credentials/ Are you sure that the easiest life style is always the choice or would you rather have a more long-term approach by society? Have a look at the questions we raise here..