PeterArnold.com

&lt;b&gt;Cat walking on white wall, Greece. &lt;/b&gt;&lt;br&gt;Klein &amp; Hubert

&lt;b&gt;Summer thunderstorm, Tucson, Arizona. &lt;/b&gt;&lt;br&gt;Keith Kent

&lt;b&gt;Juvenile Sea Star on hard Coral. Vanuatu, South Pacific.&lt;/b&gt;&lt;br&gt;Secret Sea Visions

&lt;b&gt;Ragweed pollen.  SEM&lt;/b&gt;&lt;br&gt;Gary Gaugler/The Medical File

&lt;b&gt;Research technician.&lt;/b&gt;&lt;br&gt;Mason Morfit/The Medical File

&lt;b&gt;Young Chimpanzee, Chimfunshi Chimpanzee Orphanage, Zambia, Africa.&lt;/b&gt;&lt;br&gt;A. Rouse

&lt;b&gt;Thailand.  Man and child on drought-cracked earth.&lt;/b&gt;&lt;br&gt;Kittrempool-UNEP

&lt;b&gt;Helicopter drop-off of scientific team on ice sheet, Greenland.&lt;/b&gt;&lt;br&gt;Roger Braithwaite

&lt;b&gt;Woman laborer in battery recycling factory, with baby, Bangladesh.&lt;/b&gt;&lt;br&gt;Shezad Noorani