Nigel Cattlin / Bacterial blight (Xanthomonas oryzae pv oryzae) disease lesions on Rice (Oryza sativa) crop, Luzon, Philippines

Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. June 2011

Ashley Cooper / Sun rays reflected onto solar tower at Ivanpah Solar Thermal Power Plant, the largest solar thermal plant in the world. It covers 4,000 acres of desert and produce 392 megawatts (MW) of electricity....

Nigel Cattlin / Creeping thistle (Cirsium arvense) with chlorosis caused by PST bacteria (Pseudomonas syringae pv tagetis). Dorset, England, UK. October.

Nigel Cattlin / Creeping thistle (Cirsium arvense) with chlorosis caused by PST bacteria (Pseudomonas syringae pv tagetis). Dorset, England, UK. October.

Nigel Cattlin / Creeping thistle (Cirsium arvense) with leaf chlorosis caused by Bacteria (Pseudomonas syringae pv tagetis). Berkshire England, UK. June.

Ashley Cooper / Photo voltaic solar power station near Lucainena de las Torres, Andalucia, Spain. May 2011

Ashley Cooper / Photo voltaic solar power station near Lucainena de las Torres, Andalucia, Spain. May 2011

Ashley Cooper / A photo voltaic solar power station near Lucainena de las Torres, Andalucia, Spain. May 2011

Ashley Cooper / A photo voltaic solar power station near Guadix, Andalucia, Spain. May 2011

Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011