Question

which is a threat to environment​

Answer 1

ᴛᴡᴇɴᴛʏ-ғɪʀsᴛ ᴄᴇɴᴛᴜʀʏ ᴛʜʀᴇᴀᴛs ᴛᴏ ᴏᴜʀ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛ—ɪɴᴄʟᴜᴅɪɴɢ ɪɴᴠᴀsɪᴠᴇ sᴘᴇᴄɪᴇs, ᴅɪsᴇᴀsᴇs, ᴘᴏʟʟᴜᴛɪᴏɴ, ᴀɴᴅ ᴀ ᴡᴀʀᴍɪɴɢ ᴄʟɪᴍᴀᴛᴇ—ᴀʀᴇ ᴘᴜᴛᴛɪɴɢ ᴡɪʟᴅʟɪғᴇ ᴘᴏᴘᴜʟᴀᴛɪᴏɴs ᴀᴛ ʀɪsᴋ. ᴛʜᴇ ɴᴀᴛɪᴏɴᴀʟ ᴡɪʟᴅʟɪғᴇ ғᴇᴅᴇʀᴀᴛɪᴏɴ ᴜɴɪᴛᴇs ᴀᴍᴇʀɪᴄᴀɴs ᴀᴅᴅʀᴇssɪɴɢ ᴛʜᴇsᴇ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛᴀʟ ᴛʜʀᴇᴀᴛs ᴀɴᴅ ᴘʀᴏᴛᴇᴄᴛɪɴɢ ᴏᴜʀ ᴡɪʟᴅʟɪғᴇ ᴀɴᴅ ᴛʜᴇɪʀ ʜᴀʙɪᴛᴀᴛs.

Answer 2

Answer:

Twenty-first century threats to our environment—including invasive species, diseases, pollution, and a warming climate—are putting wildlife populations at risk. The National Wildlife Federation unites Americans addressing these environmental threats and protecting our wildlife and their habitats.