But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

Cyanobacteria are probably the ... reluctant to permit private sector involvement in water management. Political concerns, bureaucratic red tape and vested interests have kept effective solutions ...

Eutrophication is a leading cause of impairment of many freshwater and coastal marine ecosystems in the world. Why should we worry about eutrophication and how is this problem managed ...