Graham Eaton / Wave cut notch at the base of a sea cliff, Burton Bradstock, Dorset, UK. The notch is eroded at beach level in cliffs of Jurassic, Bridport Sandstone. The notch will grow to a depth where the overlyin...

Ashley Cooper / Snowman with sign with the legend 'World leaders have failed us' in protest to the results of the Copenhagen climate talks. Wrynose Pass, Lake District, England, UK. March.

David Pattyn / Black necked grebe (Podiceps nigricollis) is chasing away another grebe while trying to keep a mating spot for itself. A lot of mating attempts fail because different grebe-couples disturb each other...