The Syngenta Photography Award - for photography on the theme of scarcity and waste - includes prizes of US$5k-$25k. The deadline is 15 September. Details are here.
The deadline for the Asian Media Awards is 18 October: see www.asianmediaawards.com.
And if you are an Edinburgh-based journalist either at the start of your career or covering the arts in that city, you have until 30 October to apply for the Jan Fairley Memorial Award, started by NUJ Edinburgh Freelance Branch, which includes £300 in cash - details: http://janfairleyaward.net