Arctic ice cap, pollution and poverty, and deafness in frogs – green news roundup

The pumpkin toadlet frog is unique in that it makes a mating call even though the females cannot hear it. Photograph: Danita Delimont/Getty Images/Gallo Images

Environment news

• Scientists discover unique Brazilian frogs deaf to their own mating calls
  
• Land defenders call on UN to act against violence by state-funded and corporate groups
• Theresa May speaks out against Trump climate change stance at UN
• Melting Arctic ice cap falls to well below average
• Poorest London children face health risks from toxic air, poverty and obesity
• Ambitious 1.5C Paris climate target is still possible, new analysis shows
• 10 national monuments at risk under Trump’s administration
• Women of childbearing age around world suffering toxic levels of mercury
• Assumed safety of pesticide use is false, says top government scientist

In depth

• When media sceptics misrepresent our climate research we must speak out
  
• A new cycling law won’t make roads safer and could postpone laws that could | Peter Walker
• Channel Islands’ buried porpoise is not the first such mysterious find
• Who’s the world’s leading eco-vandal? It’s Angela Merkel
• Climate deniers want to protect the status quo that made them rich

Multimedia

• Exotic pet owners of Beijing – in pictures
  
• Scotland’s Sphinx snow patch is in its throes – in pictures
• The week in wildlife – in pictures

And finally ...

• Can we turn the Whitechapel fatberg into biodiesel?

The human-waste bomb recently found clogging up a London sewer has an unlikely admirer – a Scottish renewable energy company