You can use this page to send a message to Geertjan Wielenga, Frank Delporte, Simon Martinelli, Markus Westergren, Jan Ouwens, Jan-Hendrik Kuperus, jlengrand, A N M Bazlur Rahman, Vasco Correia Veloso, Ko Turk, Hanno Embregts and Maarten Mulders about Sustainability for Java Developers.